Coumarin derivatives

Alfa Aesar™ Coumarin, 98%

CAS: 91-64-5 Fórmula molecular: C9H6O2 Molecular Weight (g/mol): 146.145 Número MDL: MFCD00006850 InChI Key: ZYGHJZDHTFUPRJ-UHFFFAOYSA-N Sinónimo: coumarin, 2h-chromen-2-one, 2h-1-benzopyran-2-one, cumarin, 1,2-benzopyrone, rattex, tonka bean camphor, coumarinic anhydride, coumarine, benzo-alpha-pyrone PubChem CID: 323 ChEBI: CHEBI:28794 IUPAC Name: chromen-2-one SMILES: C1=CC=C2C(=C1)C=CC(=O)O2 COUMARIN, 98% 5000G

Alfa Aesar™ Coumarin-3-carbonitrile, 97%

CAS: 15119-34-3 Fórmula molecular: C10H5NO2 Molecular Weight (g/mol): 171.155 Número MDL: MFCD00115699 InChI Key: QKJALQPLNMEDAV-UHFFFAOYSA-N Sinónimo: 3-cyanocoumarin, 2-oxo-2h-chromene-3-carbonitrile, coumarin-3-carbonitrile, 2h-1-benzopyran-3-carbonitrile, 2-oxo, 2-oxo-2h-1-benzopyran-3-carbonitrile, coumarin, 3-cyano-7ci,8ci, 3-cyano-coumarin, pubchem8675, acmc-1cfdq PubChem CID: 203763 IUPAC Name: 2-oxochromene-3-carbonitrile SMILES: C1=CC=C2C(=C1)C=C(C(=O)O2)C#N COUMARIN-3-CARBONITRILE, 97% 5G

Alfa Aesar™ 3-Aminocoumarin, 97%

CAS: 1635-31-0 Fórmula molecular: C9H7NO2 Molecular Weight (g/mol): 161.16 Número MDL: MFCD00016965 InChI Key: QWZHDKGQKYEBKK-UHFFFAOYSA-N Sinónimo: 3-aminocoumarin, 3-amino-2h-chromen-2-one, 3-amino-2-benzopyrone, 3-amino-2h-1-benzopyran-2-one, coumarin amine, coumarin monoamine, amino-chromen-2-one, 3-azanylchromen-2-one, acmc-1bous PubChem CID: 74217 IUPAC Name: 3-aminochromen-2-one SMILES: C1=CC=C2C(=C1)C=C(C(=O)O2)N 3-AMINOCOUMARIN, 97% 500MG

Coumarin-3-carboxylic acid, 98%, ACROS Organics™

CAS: 531-81-7 Fórmula molecular: C10H6O4 Molecular Weight (g/mol): 190.15 Número MDL: MFCD00006852 InChI Key: ACMLKANOGIVEPB-UHFFFAOYSA-N Sinónimo: coumarin-3-carboxylic acid, 2-oxo-2h-chromene-3-carboxylic acid, 3-carboxycoumarin, 2-oxobenzopyran-3-carboxylic acid, g 1 rodenticide, 2h-1-benzopyran-3-carboxylic acid, 2-oxo, 2-oxo-2h-1-benzopyran-3-carboxylic acid, unii-v85uov8788, g 1 the rodenticide van, g 1 van PubChem CID: 10752 IUPAC Name: 2-oxochromene-3-carboxylic acid SMILES: C1=CC=C2C(=C1)C=C(C(=O)O2)C(=O)O 100GR Coumarin-3-carboxylic acid, 98%

Alfa Aesar™ 4-Methylumbelliferyl sulfate potassium salt, 98%

CAS: 15220-11-8 Fórmula molecular: C10H7KO6S Molecular Weight (g/mol): 294.318 Número MDL: MFCD00016970 InChI Key: CSOCSPXOODWGLJ-UHFFFAOYSA-M Sinónimo: 4-methylumbelliferyl sulfate potassium salt, 2h-1-benzopyran-2-one, 4-methyl-7-sulfooxy-, potassium salt, 4-methylumbelliferyl sulfate, potassium salt, 2h-1-benzopyran-2-one, 4-methyl-7-sulfooxy-, potassium salt 1:1, potassium 4-methyl-2-oxo-2h-chromen-7-yl sulfate, potassium 4-methyl-2-oxochromen-7-yl sulfate, c10h7o6s.k, potassium 4-methyl-2-oxo-2h-1-benzopyran-7-yl sulphate, potassium 4-methylumbelliferyl sulfate PubChem CID: 5044226 IUPAC Name: potassium;(4-methyl-2-oxochromen-7-yl) sulfate SMILES: CC1=CC(=O)OC2=C1C=CC(=C2)OS(=O)(=O)[O-].[K+] 5GR 4-Methylumbelliferyl sulfate potassium salt, 98% 5g

Alfa Aesar™ 3-Acetylcoumarin, 98+%

CAS: 3949-36-8 Fórmula molecular: C11H8O3 Molecular Weight (g/mol): 188.182 Número MDL: MFCD00006853 InChI Key: CSPIFKKOBWYOEX-UHFFFAOYSA-N Sinónimo: 3-acetylcoumarin, 3-acetyl-2h-chromen-2-one, coumarin, 3-acetyl, 2h-1-benzopyran-2-one, 3-acetyl, 3-acetyl-2-oxochromene, 3-acetylcoumarine, pubchem8664, maybridge1_000885, prestwick0_000891, prestwick1_000891 PubChem CID: 77553 IUPAC Name: 3-acetylchromen-2-one SMILES: CC(=O)C1=CC2=CC=CC=C2OC1=O 3-ACETYLCOUMARIN, 97% 25G

Alfa Aesar™ 7-Methoxycoumarin, 98+%

CAS: 531-59-9 Fórmula molecular: C10H8O3 Molecular Weight (g/mol): 176.171 Número MDL: MFCD00006876 InChI Key: LIIALPBMIOVAHH-UHFFFAOYSA-N Sinónimo: 7-methoxycoumarin, herniarin, ayapanin, methylumbelliferone, 7-methoxy-2h-chromen-2-one, herniarine, 7-methoxy-2h-1-benzopyran-2-one, 2h-1-benzopyran-2-one, 7-methoxy, coumarin, 7-methoxy, methoxycourmarin, 7 PubChem CID: 10748 ChEBI: CHEBI:5679 IUPAC Name: 7-methoxychromen-2-one SMILES: COC1=CC2=C(C=C1)C=CC(=O)O2 7-METHOXYCOUMARIN, 98% 100G

3,3'-Carbonylbis(7-diethylaminocoumarin), 99%, Acros Organics™

5GR 3,3'-Carbonylbis(7-diethylaminocoumarin), 99%

Alfa Aesar™ 6-Bromocoumarin-3-carboxylic acid, 97%

CAS: 2199-87-3 Fórmula molecular: C10H5BrO4 Molecular Weight (g/mol): 269.05 Número MDL: MFCD00047640 InChI Key: XFQHPAXNKDYMOX-UHFFFAOYSA-N Sinónimo: 6-bromo-2-oxo-2h-chromene-3-carboxylic acid, 6-bromocoumarin-3-carboxylic acid, acmc-20alzr, maybridge1_000837, 6-bromo-3-carboxy-coumarin, 6-bromo-coumarin-3-carboxylic acid, 2-oxo-6-bromo-2h-1-benzopyran-3-carboxylic acid, 2h-1-benzopyran-3-carboxylicacid,6-bromo-2-oxo, 2h-1-benzopyran-3-carboxylicacid, 6-bromo-2-oxo PubChem CID: 694463 IUPAC Name: 6-bromo-2-oxochromene-3-carboxylic acid SMILES: C1=CC2=C(C=C1Br)C=C(C(=O)O2)C(=O)O 6-BROMOCOUMARIN-3-CARBOXYLIC ACID, 98%,25G

Coumaphos in Iso-octane 10μg/mL, Fisher Chemical™

10 ML Metabolite Coumaphos in Iso-octane 10µg/mL

3-Cyanocoumarin, 97%, Acros Organics™

CAS: 15119-34-3 Fórmula molecular: C10H5NO2 Molecular Weight (g/mol): 171.15 InChI Key: QKJALQPLNMEDAV-UHFFFAOYSA-N Sinónimo: 3-cyanocoumarin, 2-oxo-2h-chromene-3-carbonitrile, coumarin-3-carbonitrile, 2h-1-benzopyran-3-carbonitrile, 2-oxo, 2-oxo-2h-1-benzopyran-3-carbonitrile, coumarin, 3-cyano-7ci,8ci, 3-cyano-coumarin, pubchem8675, acmc-1cfdq PubChem CID: 203763 IUPAC Name: 2-oxochromene-3-carbonitrile SMILES: C1=CC=C2C(=C1)C=C(C(=O)O2)C#N 5GR 3-Cyanocoumarin, 97%

Alfa Aesar™ 7-Methoxycoumarin-4-acetic acid

CAS: 62935-72-2 Fórmula molecular: C12H10O5 Molecular Weight (g/mol): 234.207 Número MDL: MFCD00009774 InChI Key: ZEKAXIFHLIITGV-UHFFFAOYSA-N Sinónimo: 7-methoxycoumarin-4-acetic acid, 2-7-methoxy-2-oxo-2h-chromen-4-yl acetic acid, 7-methoxy-2-oxo-2h-chromen-4-yl acetic acid, 7-methoxy-2-oxo-2h-1-benzopyran-4-acetic acid, 2h-1-benzopyran-4-acetic acid, 7-methoxy-2-oxo, 2-7-methoxy-2-oxochromen-4-yl acetic acid, 7-methoxy-2-oxo-2h-chromen-4-yl-acetic acid, 7-methoxycoumarin-4-yl acetic acid, 7-methoxy-2-oxochromen-4-yl acetic acid, mca-oh PubChem CID: 342221 ChEBI: CHEBI:51666 IUPAC Name: 2-(7-methoxy-2-oxochromen-4-yl)acetic acid SMILES: COC1=CC2=C(C=C1)C(=CC(=O)O2)CC(=O)O 1GR 7-Methoxycoumarin-4-acetic acid 1g

Alfa Aesar™ 4-Methoxycoumarin, 98%

CAS: 20280-81-3 Fórmula molecular: C10H8O3 Molecular Weight (g/mol): 176.171 Número MDL: MFCD00017349 InChI Key: MLCMXDYMSAZNPC-UHFFFAOYSA-N Sinónimo: 4-methoxycoumarin, 4-methoxycourmarin, 4-methoxy-2h-chromen-2-one, 2h-1-benzopyran-2-one, 4-methoxy, 2h-1-benzopyran-2-one,4-methoxy, 4-methoxy-2h-chromen-2-on, 4-methoxycoumarine, acmc-20amex, coumarin, 4-methoxy PubChem CID: 529426 IUPAC Name: 4-methoxychromen-2-one SMILES: COC1=CC(=O)OC2=CC=CC=C21 4-METHOXYCOUMARIN, 98% 25G

Alfa Aesar™ Coumarin-3-carboxylic acid, 98%

CAS: 531-81-7 Fórmula molecular: C10H6O4 Molecular Weight (g/mol): 190.154 Número MDL: MFCD00006852 InChI Key: ACMLKANOGIVEPB-UHFFFAOYSA-N Sinónimo: coumarin-3-carboxylic acid, 2-oxo-2h-chromene-3-carboxylic acid, 3-carboxycoumarin, 2-oxobenzopyran-3-carboxylic acid, g 1 rodenticide, 2h-1-benzopyran-3-carboxylic acid, 2-oxo, 2-oxo-2h-1-benzopyran-3-carboxylic acid, unii-v85uov8788, g 1 the rodenticide van, g 1 van PubChem CID: 10752 IUPAC Name: 2-oxochromene-3-carboxylic acid SMILES: C1=CC=C2C(=C1)C=C(C(=O)O2)C(=O)O COUMARIN-3-CARBOXYLIC ACID99+%,25G

7-Amino-4-methylcoumarin, 98%, Acros Organics

CAS: 26093-31-2 Fórmula molecular: C10H9NO2 Molecular Weight (g/mol): 175.19 Número MDL: MFCD00006868 InChI Key: GLNDAGDHSLMOKX-UHFFFAOYSA-N Sinónimo: 7-amino-4-methylcoumarin, coumarin 120, 7-amino-4-methyl-2h-chromen-2-one, 2h-1-benzopyran-2-one, 7-amino-4-methyl, coumarin, 7-amino-4-methyl, 4-methyl-7-aminocoumarin, 7-amino-4-methyl-chromen-2-one, unii-ocy3jct44x, ccris 4961, ocy3jct44x PubChem CID: 92249 ChEBI: CHEBI:51771 IUPAC Name: 7-amino-4-methylchromen-2-one SMILES: CC1=CC(=O)OC2=C1C=CC(=C2)N 1GR 7-Amino-4-methylcoumarin, 98%

Coumarin 314, 99%, pure, laser grade, ACROS Organics™

CAS: 55804-66-5 Fórmula molecular: C18H19NO4 Molecular Weight (g/mol): 313.353 Número MDL: MFCD00051334 InChI Key: VMJKUPWQKZFFCX-UHFFFAOYSA-N Sinónimo: 1,2,4,5,3H,6H,10H-Tetrahydro-9-carbethoxy[1]benzopyrano(9,9a,1-gh)-quinolizin-10-one PubChem CID: 72653 ChEBI: CHEBI:51940 SMILES: CCOC(=O)C1=CC2=CC3=C4C(=C2OC1=O)CCCN4CCC3 100MG Coumarin 314, 99%, pure, laser grade

Alfa Aesar™ Ethyl coumarin-3-carboxylate, 98%

CAS: 1846-76-0 Fórmula molecular: C12H10O4 Molecular Weight (g/mol): 218.208 Número MDL: MFCD00016964 InChI Key: XKHPEMKBJGUYCM-UHFFFAOYSA-N Sinónimo: ethyl coumarin-3-carboxylate, ethyl 2-oxo-2h-chromene-3-carboxylate, 3-ethoxycarbonylcoumarin, ethyl 3-coumarincarboxylate, 3-carbethoxycoumarin, ethylcoumarin-3-carboxylate, coumarin-3-carboxylic acid ethyl ester, 1,2-benzopyran-2-one-3-carboxylic acid, ethyl ester, 2h-1-benzopyran-3-carboxylic acid, 2-oxo-, ethyl ester, 2h-1-benzopyran-3-carboxylicacid, 2-oxo-, ethyl ester PubChem CID: 15800 IUPAC Name: ethyl 2-oxochromene-3-carboxylate SMILES: CCOC(=O)C1=CC2=CC=CC=C2OC1=O ETHYL COUMARIN-3-CARBOXYLATE, 98%,5G

3-(Bromoacetyl)coumarin, 97%, Acros Organics™

CAS: 29310-88-1 Fórmula molecular: C11H7BrO3 Molecular Weight (g/mol): 267.08 InChI Key: NTYOLVNSXVYRTJ-UHFFFAOYSA-N Sinónimo: 3-bromoacetyl coumarin, 3-2-bromoacetyl-2h-chromen-2-one, 3-2-bromoacetyl chromen-2-one, 3-bromoacetylcoumarin, 3-bromoacetyl-2h-chromen-2-one, 2h-1-benzopyran-2-one, 3-bromoacetyl, pubchem8670, rarechem ab ka k003, 3-2-bromoacetyl-coumarin PubChem CID: 2063461 IUPAC Name: 3-(2-bromoacetyl)chromen-2-one SMILES: C1=CC=C2C(=C1)C=C(C(=O)O2)C(=O)CBr 25GR 3-(Bromoacetyl)coumarin, 97%

Alfa Aesar™ 6-Methylcoumarin, 99%

CAS: 92-48-8 Fórmula molecular: C10H8O2 Molecular Weight (g/mol): 160.172 Número MDL: MFCD00006875 InChI Key: FXFYOPQLGGEACP-UHFFFAOYSA-N Sinónimo: 6-methylcoumarin, 6-methylbenzopyrone, 6-methyl-2h-chromen-2-one, toncarine, 6-methyl coumarin, methyl coumarin, 6-methylcoumarinic anhydride, coumarin, 6-methyl, 6-methyl-1,2-benzopyrone, 6-methylcumarin PubChem CID: 7092 ChEBI: CHEBI:563586 IUPAC Name: 6-methylchromen-2-one SMILES: CC1=CC2=C(C=C1)OC(=O)C=C2 6-METHYLCOUMARIN, 98% 50G

Coumarin 6, Laser Grade 98%, ACROS Organics™

CAS: 38215-36-0 Fórmula molecular: C20H18N2O2S Molecular Weight (g/mol): 350.436 Número MDL: MFCD00041869 InChI Key: VBVAVBCYMYWNOU-UHFFFAOYSA-N Sinónimo: 3-(2'-Benzothiazolyl)-7-diethylaminocoumarin PubChem CID: 100334 ChEBI: CHEBI:51942 IUPAC Name: 3-(1,3-benzothiazol-2-yl)-7-(diethylamino)chromen-2-one SMILES: CCN(CC)C1=CC2=C(C=C1)C=C(C(=O)O2)C3=NC4=CC=CC=C4S3 500MG Coumarin 6, 98%, pure, laser grade

Alfa Aesar™ 7-Amino-4-(methoxymethyl)coumarin, 97%

CAS: 175205-10-4 Fórmula molecular: C11H11NO3 Molecular Weight (g/mol): 205.213 Número MDL: MFCD00068088 InChI Key: QZZLLHOMMCKWIQ-UHFFFAOYSA-N Sinónimo: 7-amino-4-methoxymethyl-2h-chromen-2-one, 7-amino-4-methoxymethyl coumarin, 7-amino-4-methoxymethyl chromen-2-one, 2h-1-benzopyran-2-one,7-amino-4-methoxymethyl, maybridge1_007060, acmc-20a3l0, 7-amino-4-methoxymethylcoumarin, 7-azanyl-4-methoxymethyl chromen-2-one, 7-amino-4-methoxymethyl-1-benzopyran-2-one PubChem CID: 519442 IUPAC Name: 7-amino-4-(methoxymethyl)chromen-2-one SMILES: COCC1=CC(=O)OC2=C1C=CC(=C2)N 7-AMINO-4-METHOXYMETHYLCOUMARIN, 98%,0,25G

Alfa Aesar™ Coumarin 334, 96%

500MG Coumarin 334, 96%

Alfa Aesar™ 7-Diethylamino-4-methylcoumarin, 99%

CAS: 91-44-1 Fórmula molecular: C14H17NO2 Molecular Weight (g/mol): 231.295 Número MDL: MFCD00006864 InChI Key: AFYCEAFSNDLKSX-UHFFFAOYSA-N Sinónimo: 7-diethylamino-4-methylcoumarin, coumarin 1, 7-diethylamino-4-methyl-2h-chromen-2-one, coumarin 47, coumarin 460, 4-methyl-7-diethylamino coumarin, blancophor aw, blancophor ffg, 4-methyl-7-diethylaminocoumarin, hakkol p PubChem CID: 7050 ChEBI: CHEBI:51938 IUPAC Name: 7-(diethylamino)-4-methylchromen-2-one SMILES: CCN(CC)C1=CC2=C(C=C1)C(=CC(=O)O2)C 7-DIETHYLAMINO-4-METHYLCOUMARIN, 99%,100G

Alfa Aesar™ 7-Ethoxy-4-methylcoumarin, 98%

CAS: 87-05-8 Fórmula molecular: C12H12O3 Molecular Weight (g/mol): 204.225 Número MDL: MFCD00016971 InChI Key: NKRISXMDKXBVRJ-UHFFFAOYSA-N Sinónimo: 7-ethoxy-4-methylcoumarin, 7-ethoxy-4-methyl-2h-chromen-2-one, 4-methyl-7-ethoxycoumarin, 2h-1-benzopyran-2-one, 7-ethoxy-4-methyl, unii-zlv1s0nnzh, coumarin, 7-ethoxy-4-methyl, zlv1s0nnzh, 7-ethoxy-4-methyl-chromen-2-one, coumarin, 7-ethoxy-4-methyl-8ci, 7-ethoxy-4-methyl-2h-1-benzopyran-2-one PubChem CID: 66595 IUPAC Name: 7-ethoxy-4-methylchromen-2-one SMILES: CCOC1=CC2=C(C=C1)C(=CC(=O)O2)C 7-ETHOXY-4-METHYLCOUMARIN,98%,5G

Alfa Aesar™ 3-Chlorocoumarin, 97%

CAS: 92-45-5 Fórmula molecular: C9H5ClO2 Molecular Weight (g/mol): 180.587 Número MDL: MFCD00024073 InChI Key: CKCOPMSBJBNBCQ-UHFFFAOYSA-N Sinónimo: 3-chlorocoumarin, coumarin, 3-chloro, 2h-1-benzopyran-2-one, 3-chloro, 3-chloro-2h-chromen-2-one, chlorocoumarin, 3-chloro-2h-1-benzopyran-2-one, acmc-1ciat, 2h-1-benzopyran-2-one,3-chloro PubChem CID: 96133 IUPAC Name: 3-chlorochromen-2-one SMILES: C1=CC=C2C(=C1)C=C(C(=O)O2)Cl 3-CHLOROCOUMARIN, 97% 5G

3-Aminocoumarin, 97%, Acros Organics

1GR 3-Aminocoumarin, 97%

Alfa Aesar™ Coumarin-6-sulfonyl chloride, 97%

CAS: 10543-42-7 Fórmula molecular: C9H5ClO4S Molecular Weight (g/mol): 244.645 Número MDL: MFCD01941320 InChI Key: HQIPMBGUDSOVEA-UHFFFAOYSA-N Sinónimo: 2-oxo-2h-chromene-6-sulfonyl chloride, coumarin-6-sulfonyl chloride, 6-cs-cl, coumarin-6-sulphonyl chloride, 2-oxo-2h-chromene-6-sulphonyl chloride, 2-oxo-2h-1-benzopyran-6-sulfonyl chloride, 6-chlorosulfonyl chromen-2-one, pubchem5506, c6scl, timtec-bb sbb002796 PubChem CID: 2735833 IUPAC Name: 2-oxochromene-6-sulfonyl chloride SMILES: C1=CC2=C(C=CC(=O)O2)C=C1S(=O)(=O)Cl 5GR Coumarin-6-sulfonyl chloride, 97% 5g

Alfa Aesar™ 6-Nitrocoumarin, 98+%

CAS: 2725-81-7 Fórmula molecular: C9H5NO4 Molecular Weight (g/mol): 191.142 Número MDL: MFCD00016973 InChI Key: RMERXEXZXIVNBF-UHFFFAOYSA-N Sinónimo: 6-nitrocoumarin, 6-nitro-2h-chromen-2-one, 6-nitro-2-benzopyrone, 2h-1-benzopyran-2-one, 6-nitro, acmc-20abd6, maybridge1_002226, amtgc084, 6-nitro-2h-chromen-2-one #, 2h-1-benzopyran-2-one,6-nitro, 6-hydroxy oxido amino-2h-chromen-2-one PubChem CID: 75944 IUPAC Name: 6-nitrochromen-2-one SMILES: C1=CC2=C(C=CC(=O)O2)C=C1[N+](=O)[O-] 6-NITROCOUMARIN, 98+% 100G

Alfa Aesar™ 6-Bromo-3-butyrylcoumarin, 97%

CAS: 2199-83-9 Fórmula molecular: C13H11BrO3 Molecular Weight (g/mol): 295.132 Número MDL: MFCD00052894 InChI Key: RDBKKAPCFCJFND-UHFFFAOYSA-N Sinónimo: 6-bromo-3-butyryl-2h-chromen-2-one, maybridge1_001495, acmc-1cbq8, 6-bromo-3-butyrylcoumarin, 2h-1-benzopyran-2-one,6-bromo-3-1-oxobutyl PubChem CID: 2799663 IUPAC Name: 6-bromo-3-butanoylchromen-2-one SMILES: CCCC(=O)C1=CC2=C(C=CC(=C2)Br)OC1=O 6-BROMO-3-BUTYRYL-2H-CHROMEN-2-ONE, 97%,5G

Alfa Aesar™ 7-Methoxy-4-methylcoumarin, 99%

CAS: 2555-28-4 Fórmula molecular: C11H10O3 Molecular Weight (g/mol): 190.198 Número MDL: MFCD00009773 InChI Key: UDFPKNSWSYBIHO-UHFFFAOYSA-N Sinónimo: 7-methoxy-4-methylcoumarin, 7-methoxy-4-methyl-2h-chromen-2-one, 2h-1-benzopyran-2-one, 7-methoxy-4-methyl, 4-methylherniarin, hymecromone methyl ether, herniarin, 4-methyl, 7-methoxy-4-methyl-chromen-2-one, 4-methyl-7-methoxycoumarin, coumarin,4-methyl-7-methoxy, coumarin, 7-methoxy-4-methyl PubChem CID: 390807 IUPAC Name: 7-methoxy-4-methylchromen-2-one SMILES: CC1=CC(=O)OC2=C1C=CC(=C2)OC 7-METHOXY-4-METHYLCOUMARIN99%,1G

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