Boronic acids

Phenylboronic acid, 98+%, may contain varying amounts of anhydride, Acros Organics

CAS: 98-80-6 Fórmula molecular: C6H7BO2 Molecular Weight (g/mol): 121.93 InChI Key: HXITXNWTGFUOAU-UHFFFAOYSA-N Sinónimo: benzeneboronic acid, boronic acid, phenyl, phenyl boronic acid, phenylboric acid, dihydroxyphenylborane, phenyldihydroxyborane, dihydroxy phenyl borane, phenylboronicacid, borophenylic acid, usaf bo-2 PubChem CID: 66827 ChEBI: CHEBI:44923 IUPAC Name: phenylboronic acid SMILES: B(C1=CC=CC=C1)(O)O

Alfa Aesar™ Benzeneboronic acid, 98+%

CAS: 98-80-6 Fórmula molecular: C6H7BO2 Molecular Weight (g/mol): 121.93 Número MDL: MFCD00002103 InChI Key: HXITXNWTGFUOAU-UHFFFAOYSA-N Sinónimo: benzeneboronic acid, boronic acid, phenyl, phenyl boronic acid, phenylboric acid, dihydroxyphenylborane, phenyldihydroxyborane, dihydroxy phenyl borane, phenylboronicacid, borophenylic acid, usaf bo-2 PubChem CID: 66827 ChEBI: CHEBI:44923 IUPAC Name: phenylboronic acid SMILES: B(C1=CC=CC=C1)(O)O

Alfa Aesar™ 1-Butylboronic acid, 98%

CAS: 4426-47-5 Fórmula molecular: C4H11BO2 Molecular Weight (g/mol): 101.94 Número MDL: MFCD00002106 InChI Key: QPKFVRWIISEVCW-UHFFFAOYSA-N Sinónimo: n-butylboronic acid, 1-butylboronic acid, 1-butaneboronic acid, n-butaneboronic acid, boronic acid, butyl, 1-butane boronic acid, butylboric acid, butyl boronic acid, chembl31962, 1-butyldihydroxyborane PubChem CID: 20479 IUPAC Name: butylboronic acid SMILES: B(CCCC)(O)O

4-Nitrophenylboronic acid, 97%, ACROS Organics™

CAS: 24067-17-2 Fórmula molecular: C6H6BNO4 Molecular Weight (g/mol): 166.93 Número MDL: MFCD00161360 InChI Key: NSFJAFZHYOAMHL-UHFFFAOYSA-N Sinónimo: 4-nitrophenyl boronic acid, 4-nitrobenzeneboronic acid, p-nitrophenylboronic acid, 4-nitrophenylboronicacid, p-nitrophenyl boronic acid, 4-nitro phenyl boronic acid, boronic acid, 4-nitrophenyl, boronic acid, b-4-nitrophenyl, 4-borononitrobenzene PubChem CID: 2773552 IUPAC Name: (4-nitrophenyl)boronic acid SMILES: B(C1=CC=C(C=C1)[N+](=O)[O-])(O)O

Alfa Aesar™ 4-n-Pentyloxybenzeneboronic acid, 96%

CAS: 146449-90-3 Fórmula molecular: C11H17BO3 Molecular Weight (g/mol): 208.064 Número MDL: MFCD04039035 InChI Key: WHFKSJLAGACWMF-UHFFFAOYSA-N Sinónimo: 4-pentyloxyphenylboronic acid, 4-pentyloxyphenyl boronic acid, 4-pentyloxy phenylboronic acid, 4-n-pentyloxy benzeneboronic acid, 4-pentoxyphenyl boronic acid, 4-pentyloxyphenyl boronicacid, boronic acid, 4-pentyloxy phenyl, 4-n-pentyloxyphenyl boronic acid, pubchem9551, acmc-209cx1 PubChem CID: 4684888 IUPAC Name: (4-pentoxyphenyl)boronic acid SMILES: B(C1=CC=C(C=C1)OCCCCC)(O)O

Alfa Aesar™ 4-(Isopropylcarbamoyl)benzeneboronic acid, 95%

CAS: 397843-67-3 Fórmula molecular: C10H14BNO3 Molecular Weight (g/mol): 207.036 Número MDL: MFCD04039353 InChI Key: GBCSEYKTZAKRMT-UHFFFAOYSA-N Sinónimo: 4-isopropylcarbamoyl phenyl boronic acid, 4-n-isopropylaminocarbonyl phenylboronic acid, 4-isopropylcarbamoyl benzeneboronic acid, 4-isopropylcarbamoyl phenylboronic acid, 4-propan-2-ylcarbamoyl phenyl boronic acid, 4-n-isopropylaminocarbonyl phenyl boronic acid, n-isopropyl 4-boronobenzamide, boronic acid, 4-1-methylethyl amino carbonyl phenyl, 4-1-methylethyl amino carbonyl phenyl-boronic acid PubChem CID: 2773475 IUPAC Name: [4-(propan-2-ylcarbamoyl)phenyl]boronic acid SMILES: B(C1=CC=C(C=C1)C(=O)NC(C)C)(O)O

Alfa Aesar™ 2-Benzyloxybenzeneboronic acid, 96%

CAS: 190661-29-1 Fórmula molecular: C13H13BO3 Molecular Weight (g/mol): 228.054 Número MDL: MFCD01632206 InChI Key: MCAIDINWZOCYQK-UHFFFAOYSA-N Sinónimo: 2-benzyloxyphenylboronic acid, 2-benzyloxy phenylboronic acid, 2-benzyloxybenzeneboronic acid, 2-benzyloxy phenyl boronic acid, 2-benzyloxyphenyl boronic acid, 2-benzyloxyphenylborornic acid, 2-benzyloxy phenyl boranediol, o-benzyloxyphenylboronic acid, boronic acid, 2-phenylmethoxy phenyl PubChem CID: 2773253 IUPAC Name: (2-phenylmethoxyphenyl)boronic acid SMILES: B(C1=CC=CC=C1OCC2=CC=CC=C2)(O)O

Alfa Aesar™ 3-Aminobenzeneboronic acid hydrochloride, 98%

CAS: 85006-23-1 Fórmula molecular: C6H9BClNO2 Molecular Weight (g/mol): 173.403 Número MDL: MFCD00191748 InChI Key: QBMHZZHJIBUPOX-UHFFFAOYSA-N Sinónimo: 3-aminophenyl boronic acid hydrochloride, 3-aminophenylboronic acid hydrochloride, 3-aminophenylboronic acid hcl, m-aminophenylboronic acid hydrochloride, 3-aminophenylboronic acid, hcl, 3-aminobenzeneboronic acid hydrochloride, boronic acid, 3-aminophenyl-, hydrochloride, pubchem1751, pubchem20396, timtec-bb sbb003816 PubChem CID: 2763241 IUPAC Name: (3-aminophenyl)boronic acid;hydrochloride SMILES: B(C1=CC(=CC=C1)N)(O)O.Cl

Alfa Aesar™ 6-Methoxynaphthalene-2-boronic acid, 95%

CAS: 156641-98-4 Fórmula molecular: C11H11BO3 Molecular Weight (g/mol): 202.016 Número MDL: MFCD03093087 InChI Key: GZFAVYWCPSMLCM-UHFFFAOYSA-N Sinónimo: 6-methoxy-2-naphthaleneboronic acid, 6-methoxynaphthalen-2-yl boronic acid, 6-methoxy-2-naphthylboronic acid, 6-methoxynaphthalene-2-boronic acid, 6-methoxy-2-naphthyl boronic acid, 2-methoxynaphthalene-6-boronic acid, boronic acid, 6-methoxy-2-naphthalenyl, 6-methoxy-2-naphthalenyl boronic acid, acmc-209deh, ksc489k9r PubChem CID: 4641692 IUPAC Name: (6-methoxynaphthalen-2-yl)boronic acid SMILES: B(C1=CC2=C(C=C1)C=C(C=C2)OC)(O)O

Alfa Aesar™ 2-(Trifluoromethoxy)benzeneboronic acid, 98%

CAS: 175676-65-0 Fórmula molecular: C7H6BF3O3 Molecular Weight (g/mol): 205.927 Número MDL: MFCD01320763 InChI Key: AIJCNTOYZPKURP-UHFFFAOYSA-N Sinónimo: 2-trifluoromethoxy phenylboronic acid, 2-trifluoromethoxyphenylboronic acid, 2-trifluormethoxy phenylboronic acid, 2-trifluoromethoxy benzeneboronic acid, 2-trifluoromethoxy phenyl boronic acid, 2-trifluormethoxyphenylboronic acid, o-trifluoromethoxy phenylboronic acid, 2-trifluoromethoxy phenyl boranediol, boronic acid, 2-trifluoromethoxy phenyl PubChem CID: 2777204 IUPAC Name: [2-(trifluoromethoxy)phenyl]boronic acid SMILES: B(C1=CC=CC=C1OC(F)(F)F)(O)O

Alfa Aesar™ 3-Bromo-2-cyanobenzeneboronic acid, 96%

CAS: 1032231-32-5 Fórmula molecular: C7H5BBrNO2 Molecular Weight (g/mol): 225.836 InChI Key: LHGIIQFOQAPPQA-UHFFFAOYSA-N Sinónimo: 3-bromo-2-cyanophenyl boronic acid, 2-cyano-3-bromophenylboronic acid PubChem CID: 46739320 IUPAC Name: (3-bromo-2-cyanophenyl)boronic acid SMILES: B(C1=C(C(=CC=C1)Br)C#N)(O)O

Alfa Aesar™ 4-Ethylbenzeneboronic acid, 97%

CAS: 63139-21-9 Fórmula molecular: C8H11BO2 Molecular Weight (g/mol): 149.984 Número MDL: MFCD00859377 InChI Key: RZCPLOMUUCFPQA-UHFFFAOYSA-N Sinónimo: 4-ethylphenyl boronic acid, 4-ethylbenzeneboronic acid, 4-ethylphenyl boranediol, 4-ethylphenylboronicacid, p-ethylphenylboronic acid, boronic acid, 4-ethylphenyl, pubchem7884, 4-ethylbenzenboronic acid, acmc-1bik6 PubChem CID: 2734352 IUPAC Name: (4-ethylphenyl)boronic acid SMILES: B(C1=CC=C(C=C1)CC)(O)O

Alfa Aesar™ 4-(Methylcarbamoyl)benzeneboronic acid, 98%

CAS: 121177-82-0 Fórmula molecular: C8H10BNO3 Molecular Weight (g/mol): 178.982 Número MDL: MFCD03788427 InChI Key: UWKSYZHFTGONHY-UHFFFAOYSA-N Sinónimo: 4-n-methylaminocarbonyl phenylboronic acid, 4-methylcarbamoyl phenylboronic acid, 4-methylcarbamoyl phenyl boronic acid, 4-methylcarbamoyl benzeneboronic acid, boronic acid, 4-methylamino carbonyl phenyl, boronic acid,b-4-methylamino carbonyl phenyl, 4-methylamino carbonyl phenylboronic acid, 4-n-methylaminocarbonyl benzeneboronic acid, zlchem 836 PubChem CID: 2773526 IUPAC Name: [4-(methylcarbamoyl)phenyl]boronic acid SMILES: B(C1=CC=C(C=C1)C(=O)NC)(O)O

Alfa Aesar™ 2-Chloro-4-methoxybenzeneboronic acid, 95%

CAS: 219735-99-6 Fórmula molecular: C7H8BClO3 Molecular Weight (g/mol): 186.398 Número MDL: MFCD03411935 InChI Key: LOCGPWGCRVKCFN-UHFFFAOYSA-N Sinónimo: 2-chloro-4-methoxyphenyl boronic acid, 2-chloro-4-methoxybenzeneboronic acid, 4-borono-3-chloroanisole, 2-chloro-4-methoxyphenyl-boronic acid, boronic acid, 2-chloro-4-methoxyphenyl, 2-chloro-4-methoxyphenylboronicacid, pubchem1781, 2-chloro-4-methoxy-phenyl boronic acid, acmc-209fq2, ksc201q2h PubChem CID: 2773330 IUPAC Name: (2-chloro-4-methoxyphenyl)boronic acid SMILES: B(C1=C(C=C(C=C1)OC)Cl)(O)O

Pyridine-4-boronic acid, 97%, Maybridge

CAS: 1692-15-5 Fórmula molecular: C5H6BNO2 Molecular Weight (g/mol): 122.918 InChI Key: QLULGIRFKAWHOJ-UHFFFAOYSA-N Sinónimo: pyridine-4-boronic acid, 4-pyridineboronic acid, 4-pyridylboronic acid, pyridin-4-yl boronic acid, 4-pyridinylboronic acid, pyridin-4-yl-4-boronic acid, 4-pyridinebornic acid, pyridyl-4-boronic acid, 4-pyridinyl boronic acid, pyridine-4-ylboronic acid PubChem CID: 2734379 IUPAC Name: pyridin-4-ylboronic acid SMILES: B(C1=CC=NC=C1)(O)O

Alfa Aesar™ 4-Fluoro-2-methoxybenzeneboronic acid, 98%

CAS: 179899-07-1 Fórmula molecular: C7H8BFO3 Molecular Weight (g/mol): 169.946 Número MDL: MFCD03788423 InChI Key: ADJBXDCXYMCCAD-UHFFFAOYSA-N Sinónimo: 4-fluoro-2-methoxyphenyl boronic acid, 2-methoxy-4-fluorophenylboronic acid, 4-fluoro-2-methoxybenzeneboronic acid, 4-fluoro-2-methoxy-phenyl boronic acid, 4-fluoro-2-methoxyphenyl-boronic acid, 5-fluoroanisole-2-boronic acid, 4-fluoro-2-methoxy phenyl boronic acid, boronic acid, 4-fluoro-2-methoxyphenyl, pubchem19716, acmc-1c2tm PubChem CID: 2782672 IUPAC Name: (4-fluoro-2-methoxyphenyl)boronic acid SMILES: B(C1=C(C=C(C=C1)F)OC)(O)O

Alfa Aesar™ 2-Nitrobenzeneboronic acid, 96%

CAS: 5570-19-4 Fórmula molecular: C6H6BNO4 Molecular Weight (g/mol): 166.927 Número MDL: MFCD00161358 InChI Key: SFUIGUOONHIVLG-UHFFFAOYSA-N Sinónimo: 2-nitrophenyl boronic acid, 2-nitrobenzeneboronic acid, boronic acid, nitrophenyl, o-nitrophenylboronic acid, 2-borononitrobenzene, pubchem8087, nitrobenzeneboronic acid, pubchem16455, 2-nitrophenylboronicacid PubChem CID: 2773548 IUPAC Name: (2-nitrophenyl)boronic acid SMILES: B(C1=CC=CC=C1[N+](=O)[O-])(O)O

5-Pyrimidinylboronic acid, 97%, may contain varying amounts of anhydride, Acros Organics

CAS: 109299-78-7 Fórmula molecular: C4H5BN2O2 Molecular Weight (g/mol): 123.91 InChI Key: HZFPPBMKGYINDF-UHFFFAOYSA-N Sinónimo: 5-pyrimidinylboronic acid, pyrimidine-5-boronic acid, 5-pyrimidineboronic acid, 5-pyrimidylboronic acid, pyrimidin-5-yl boronic acid, 5-pyrimidine boronic acid, pyrimidinyl-5-boronic acid, pyrimidine-5-ylboronic acid, pyrimidin-5-yl-5-boronic acid, pyrimidin-5-boronic acid PubChem CID: 2795193 IUPAC Name: pyrimidin-5-ylboronic acid SMILES: B(C1=CN=CN=C1)(O)O

Benzo[b]furan-3-boronic acid, 98%, Alfa Aesar™

CAS: 317830-83-4 Fórmula molecular: C8H7BO3 Molecular Weight (g/mol): 161.951 Número MDL: MFCD06801687 InChI Key: DFUGYZQSDFQVPU-UHFFFAOYSA-N Sinónimo: benzofuran-3-ylboronic acid, benzofuran-3-boronic acid, 1-benzofuran-3-yl boronic acid, boronic acid, 3-benzofuranyl, acmc-1csxn, benzo b furan-3-boronic acid, benzofuran-3-yl boronic acid PubChem CID: 23438904 IUPAC Name: 1-benzofuran-3-ylboronic acid SMILES: B(C1=COC2=CC=CC=C12)(O)O

Alfa Aesar™ 4-(4-Bromophenylcarbamoyl)benzeneboronic acid, 98%

CAS: 874287-99-7 Fórmula molecular: C13H11BBrNO3 Molecular Weight (g/mol): 319.949 Número MDL: MFCD09027201 InChI Key: FBTLHSKBTDKVGQ-UHFFFAOYSA-N Sinónimo: n-4-bromophenyl 4-boronobenzamide, 4-4-bromophenyl carbamoyl phenyl boronic acid, 4-4-bromophenylcarbamoyl phenylboronic acid, 4-4-bromophenyl carbamoyl phenylboronic acid, 4-4-bromophenyl carbamoyl benzeneboronic acid, boronic acid,b-4-4-bromophenyl amino carbonyl phenyl, acmc-209qlo, n4-bromophenyl 4-boronobenzamide, 4-4-bromophenyl amino carbonyl phenylboronic acid PubChem CID: 44119160 IUPAC Name: [4-[(4-bromophenyl)carbamoyl]phenyl]boronic acid SMILES: B(C1=CC=C(C=C1)C(=O)NC2=CC=C(C=C2)Br)(O)O

Alfa Aesar™ 4-Methoxy-3-methylbenzeneboronic acid, 98+%

CAS: 175883-62-2 Fórmula molecular: C8H11BO3 Molecular Weight (g/mol): 165.983 Número MDL: MFCD02179464 InChI Key: PXVDQGVAZBTFIB-UHFFFAOYSA-N Sinónimo: 4-methoxy-3-methylbenzeneboronic acid, 4-methoxy-3-methylphenyl boronic acid, 4-methoxy-3-methylphenyl boranediol, 3-methyl-4-methoxyphenylboronic acid, boronic acid, 4-methoxy-3-methylphenyl, boronic acid,b-4-methoxy-3-methylphenyl, b-4-methoxy-3-methylphenyl boronic acid, akos brn-0220, 4-methoxy-3-methyl-phenyl boronic acid, timtec-bb sbb005903 PubChem CID: 2773487 IUPAC Name: (4-methoxy-3-methylphenyl)boronic acid SMILES: B(C1=CC(=C(C=C1)OC)C)(O)O

Alfa Aesar™ Biphenyl-4,4'-diboronic acid, 95%

CAS: 4151-80-8 Fórmula molecular: C12H12B2O4 Molecular Weight (g/mol): 241.844 Número MDL: MFCD00151795 InChI Key: SLHKDOGTVUCXKX-UHFFFAOYSA-N Sinónimo: 4,4'-biphenyldiboronic acid, 1,1'-biphenyl-4,4'-diyldiboronic acid, biphenyl-4,4'-diboronic acid, 4-4-boronophenyl phenyl boronic acid, biphenyl-4,4'-diyldiboronic acid, pubchem5324, acmc-1apw8, 4,4'-biphenyldiboric acid, 4,4-biphenyldiboronic acid, 4,4'-diboronobiphenyl PubChem CID: 2734608 IUPAC Name: [4-(4-boronophenyl)phenyl]boronic acid SMILES: B(C1=CC=C(C=C1)C2=CC=C(C=C2)B(O)O)(O)O

Alfa Aesar™ Indole-6-boronic acid, 98%

CAS: 147621-18-9 Fórmula molecular: C8H8BNO2 Molecular Weight (g/mol): 160.967 Número MDL: MFCD03095176 InChI Key: ZVMHOIWRCCZGPZ-UHFFFAOYSA-N Sinónimo: indole-6-boronic acid, 6-indolylboronic acid, 1h-indol-6-yl boronic acid, 6-indoleboronic acid, indole-6-boronicacid, 1h-indol-6-yl-6-boronic acid, 6-borono-1h-indole, 6-indole boronic acid, 6-boronoindole, 1h-indole-6-boronic acid PubChem CID: 2763205 IUPAC Name: 1H-indol-6-ylboronic acid SMILES: B(C1=CC2=C(C=C1)C=CN2)(O)O

Alfa Aesar™ trans-1-Hexen-1-ylboronic acid, 98%

CAS: 42599-18-8 Fórmula molecular: C6H13BO2 Molecular Weight (g/mol): 127.978 Número MDL: MFCD01074553 InChI Key: GWFKSQSXNUNYAC-AATRIKPKSA-N Sinónimo: e-hexen-1-ylboronic acid, e-hex-1-en-1-ylboronic acid, trans-1-hexen-1-ylboronic acid, boronic acid, b-1-hexen-1-yl, 1e-hex-1-en-1-ylboronic acid, boronic acid,b-1e-1-hexenyl, e-hex-1-enylboronic acid, e-1-hexenyldihydroxyborane, hex-1-en-1-ylboronic acid PubChem CID: 5326225 IUPAC Name: [(E)-hex-1-enyl]boronic acid SMILES: B(C=CCCCC)(O)O

Alfa Aesar™ Pyridine-2-boronic acid, 95%

CAS: 197958-29-5 Fórmula molecular: C5H6BNO2 Molecular Weight (g/mol): 122.918 Número MDL: MFCD00151844 InChI Key: UMLDUMMLRZFROX-UHFFFAOYSA-N Sinónimo: 2-pyridineboronic acid, pyridine-2-boronic acid, 2-pyridinylboronic acid, 2-pyridylboronic acid, pyridin-2-boronic acid, pyridylboronic acid, boronic acid, 2-pyridinyl, 2-pyridineboronicacid, 2-pyridinyl-boronic acid, pyridinylboronic acid PubChem CID: 2762745 IUPAC Name: pyridin-2-ylboronic acid SMILES: B(C1=CC=CC=N1)(O)O

Dibenzo[b,d]thiophen-2-ylboronic acid, 97%, Maybridge

CAS: 668983-97-9 Fórmula molecular: C12H9BO2S Molecular Weight (g/mol): 228.072 Número MDL: MFCD01318982 InChI Key: CSLSCVHILGCSTE-UHFFFAOYSA-N Sinónimo: dibenzo b,d thiophen-2-ylboronic acid, dibenzothiophene-2-boronic acid, dibenzo b,d thien-2-ylboronic acid, dibenzothiophen-2-yl-dihydroxy-borane, boronic acid, 2-dibenzothienyl, boronic acid, b-2-dibenzothienyl, dibenzo b,d thiophen-2-ylboronic acid contains varying amounts of anhydride, dibenzo b,d thien-2-ylboronic acid saltdata: free, 8-thiatricyclo 7.4.0.0 2 ,? trideca-1 9 ,2 7 ,3,5,10,12-hexaen-4-ylboronic acid, ksc352o5l PubChem CID: 2794660 IUPAC Name: dibenzothiophen-2-ylboronic acid SMILES: B(C1=CC2=C(C=C1)SC3=CC=CC=C32)(O)O

Alfa Aesar™ 3-(Boc-aminomethyl)benzeneboronic acid, 97%

CAS: 199609-62-6 Fórmula molecular: C12H18BNO4 Molecular Weight (g/mol): 251.089 Número MDL: MFCD06246052 InChI Key: YHAQUGOSDQZIMA-UHFFFAOYSA-N Sinónimo: 3-n-boc-aminomethyl phenylboronic acid, 3-tert-butoxycarbonyl amino methyl phenyl boronic acid, 3-n-boc-amino methyl phenylboronic acid, 3-n-boc aminomethylphenylboronic acid, 3-tert-butoxycarbonylamino methyl phenylboronic acid, 3-n-boc-aminomethyl phenyl boronic acid, 3-tert-butoxycarbonylaminomethyl phenylboronic acid, 3-2-methylpropan-2-yl oxycarbonylamino methyl phenyl boronic acid, 3-aminomethyl benzeneboronic acid, n-boc protected, 3-tert-butoxycarbonyl amino methyl phenylboronic acid PubChem CID: 3684686 IUPAC Name: [3-[[(2-methylpropan-2-yl)oxycarbonylamino]methyl]phenyl]boronic acid SMILES: B(C1=CC(=CC=C1)CNC(=O)OC(C)(C)C)(O)O

Alfa Aesar™ 4-Ethoxybenzeneboronic acid, 98%

CAS: 22237-13-4 Fórmula molecular: C8H11BO3 Molecular Weight (g/mol): 165.983 Número MDL: MFCD00674028 InChI Key: WRQNDLDUNQMTCL-UHFFFAOYSA-N Sinónimo: 4-ethoxybenzeneboronic acid, 4-ethoxyphenyl boronic acid, 4-ethoxyphenyl boranediol, p-ethoxyphenylboronic acid, 4-n-ethoxyphenyl boronic acid, boronic acid, 4-ethoxyphenyl, 4-ethoxybenzeneboronicacid, 4-ethoxyphenylboronicacid, 4-ethoxyphenylboronic PubChem CID: 2734351 IUPAC Name: (4-ethoxyphenyl)boronic acid SMILES: B(C1=CC=C(C=C1)OCC)(O)O

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