TCMBANKIN044529 |
ostruthin |
C09281; 6-[(2E)-3,7-dimethylocta-2,6-dienyl]-7-hydroxy-2-chromenone; AIDS-073140; NCIOpen2_004557; 6-(3,7-dimethylocta-2,6-dienyl)-7-hydroxy-2-chromenone; 2H-1-Benzopyran-2-one, 6-(3,7-dimethyl-2,6-octadienyl)-7-hydroxy-, (E)- (9CI); Coumarin, 6-(3,7-dimethyl-2,6-octadienyl)-7-hydroxy-, (E)-; 6-(3,7-dimethylocta-2,6-dienyl)-7-hydroxychromen-2-one; 6-(3,7-dimethylocta-2,6-dienyl)-7-hydroxy-chromen-2-one; Coumarin, 6-(3,7-dimethyl-2,6-octadienyl)-7-hydroxy-,(E)-; 2H-1-Benzopyran-2-one, 6-(3,7-dimethyl-2,6-octadienyl)-7-hydroxy-, (E)-; 6-[(2E)-3,7-dimethylocta-2,6-dienyl]-7-hydroxychromen-2-one; ostruthin; MEGxp0_001198; 2H-1-Benzopyran-2-one,6-(3,7-dimethyl-2,6-octadienyl)-7-hydroxy-,(E)-; 148-83-4; ACon1_001218; 6-(3,7-dimethylocta-2,6-dienyl)-7-hydroxy-coumarin; Ostruthine; NSC 83434; Coumarin, 6-(3,7-dimethyl-2,6-octadienyl)-7-hydroxy-, (E)- (8CI); AC1NSB5Q; 6-geranyl-7-hydroxycoumarin; NSC83434; 6-(3,7-Dimethyl-2,6-octadienyl)-7-hydroxycoumarin; 6-Geranyl-7-hydroxycoumarin; 6-[(2E)-3,7-dimethylocta-2,6-dienyl]-7-hydroxy-chromen-2-one; AIDS073140; 6-[(2E)-3,7-dimethylocta-2,6-dienyl]-7-hydroxy-coumarin |
C19H22O3 |
298.376 |
c1(C([H])([H])\C([H])=C(/C([H])([H])[H])\C([H])([H])C([H])([H])\C([H])=C(/C([H])([H])[H])\C([H])([H])[H])c([H])c(C([H])=C([H])C(=O)O2)c2c([H])c1O[H] |
TCMBANKIN058793 |
osthol |
Coumarin, 7-methoxy-8-(3-methyl-2-butenyl)-; NCGC00095694-03; AB0021820; BB_NC-1338; 7-methoxy-8-(3-methyl-2-butenyl)coumarin; ZB000125; 7-Methoxy-8-(3-methyl-2-butenyl)-coumarin; Osthole; EBD33224; MEGxp0_000155; s2337; CHEBI:69832; 4CN-0704; 7-Methoxy-8-(3-methyl-2-butenyl)-2H-chromen-2-one #; HMS2267O21; BG00609801; LS-55250; Ostol; NCGC00095694-02; MFCD00076049; AIDS-221947; 484-12-8; J10077; CO0040; ACon1_002155; Osthol; Spectrum3_001645; NSC 31868; C15H16O3; BSPBio_003369; AC-8041; BAS 00015470; Oprea1_642606; CS-2125; MolPort-000-881-851; FT-0082540; SCHEMBL50436; Cnidium Fruit Extract; NCGC00095694-01; AC1L1UR5; ZINC566; Osthole isolated from Scutellaria baicalensis; Spectrum4_001687; KBio2_007158; DTXSID20197507; Spectrum_001542; AIDS-104947; UNII-XH1TI1759C; BDBM50240512; W1256; Osthole (Osthol); A827530; BRD-K78294846-001-03-3; SMR000156202; NCGC00095694-05; 2H-1-Benzopyran-2-one, 7-methoxy-8-(3-methyl-2-butenyl)- (9CI); SR-01000721624-4; 7-methoxy-8-(3-methyl-2-buten-1-yl)-2H-chromen-2-one; KBioSS_002022; InChI=1/C15H16O3/c1-10(2)4-7-12-13(17-3)8-5-11-6-9-14(16)18-15(11)12/h4-6,8-9H,7H2,1-3H; CC-33366; Q-100535; Oprea1_873803; KBio2_002022; 7-METHOXY-8-(3-METHYL-2-BUTENYL)-COUMARIN; CCG-40172; I06-0435; C09280; 8-(3-Methyl-2-butenyl)herniarin; FT-0601535; ANW-50075; DS-0881; NSC31868; XH1TI1759C; ST2412572; HY-N0054; HMS3656A07; WLN: T66 BOVJ IO1 J2UY1&1; KB-250032; SDCCGMLS-0066780.P001; BBL013019; ST50909221; SPECTRUM1504165; C-14815; SpecPlus_000946; AX8007596; MLS006011425; BR-35300; AJ-07908; O0426; Spectrum2_000723; 7-Methoxy-8-isopentenylcoumarin; CTK7A8592; DivK1c_007042; 2H-1-Benzopyran-2-one, 7-methoxy-8-(3-methyl-2-butenyl)-; Ostole; AK-35300; N1825; ZINC00000566; KS-00000N3A; SPBio_000646; Osthole, European Pharmacopoeia (EP) Reference Standard; 484O128; 1440642-68-1; 7-methoxy-8-(3-methylbut-2-enyl)-2-chromenone; STK396321; 7-Methoxy-8-(3-methyl-but-2-enyl)-chromen-2-one; MBRLOUHOWLUMFF-UHFFFAOYSA-N; SR-01000721624; RP28651; 7-methoxy-8-(3-methylbut-2-enyl)-1-benzopyran-2-one; Osthole, primary pharmaceutical reference standard; CHEMBL52229; MLS001048988; 7-methoxy-8-(3-methylbut-2-enyl)chromen-2-one; TR-017689; NSC-31868; RTR-017689; Osthole, analytical standard; S-3211; Spectrum5_000334; MLS000574904; AKOS000277663; 7-methoxy-8-(3-methylbut-2-enyl)coumarin; AIDS104947; 7-methoxy-8-(3-methylbut-2-en-1-yl)-2H-chromen-2-one; CJ-00015; KBio2_004590; AIDS221947; KBioGR_001954; osthol ; KBio1_001986; MCULE-5691054147; KBio3_002589; AN-8395; Coumarin, 7-methoxy-8-(3-methyl-2-butenyl)-; NCGC00095694-03; AB0021820; BB_NC-1338; 7-methoxy-8-(3-methyl-2-butenyl)coumarin; ZB000125; Osthole; EBD33224; MEGxp0_000155; s2337; CHEBI:69832; 4CN-0704; 7-Methoxy-8-(3-methyl-2-butenyl)-2H-chromen-2-one #; HMS2267O21; BG00609801; LS-55250; Ostol; NCGC00095694-02; MFCD00076049; 484-12-8; J10077; CO0040; ACon1_002155; Osthol; Spectrum3_001645; NSC 31868; C15H16O3; BSPBio_003369; AC-8041; BAS 00015470; Oprea1_642606; CS-2125; MolPort-000-881-851; FT-0082540; SCHEMBL50436; Cnidium Fruit Extract; NCGC00095694-01; AC1L1UR5; ZINC566; osthol; Spectrum4_001687; KBio2_007158; DTXSID20197507; Spectrum_001542; UNII-XH1TI1759C; BDBM50240512; W1256; Osthole (Osthol); A827530; BRD-K78294846-001-03-3; SMR000156202; NCGC00095694-05; 2H-1-Benzopyran-2-one, 7-methoxy-8-(3-methyl-2-butenyl)- (9CI); SR-01000721624-4; 7-methoxy-8-(3-methyl-2-buten-1-yl)-2H-chromen-2-one; KBioSS_002022; InChI=1/C15H16O3/c1-10(2)4-7-12-13(17-3)8-5-11-6-9-14(16)18-15(11)12/h4-6,8-9H,7H2,1-3H; CC-33366; Q-100535; Oprea1_873803; osthole ; KBio2_002022; 7-METHOXY-8-(3-METHYL-2-BUTENYL)-COUMARIN; CCG-40172; I06-0435; 7-methoxy-8-[3-methylpent-2-enyl]coumarin; C09280; 8-(3-Methyl-2-butenyl)herniarin; FT-0601535; ANW-50075; DS-0881; NSC31868; XH1TI1759C; ST2412572; HY-N0054; HMS3656A07; WLN: T66 BOVJ IO1 J2UY1&1; KB-250032; SDCCGMLS-0066780.P001; BBL013019; ST50909221; SPECTRUM1504165; C-14815; SpecPlus_000946; AX8007596; MLS006011425; BR-35300; AJ-07908; O0426; Spectrum2_000723; 7-Methoxy-8-isopentenylcoumarin; CTK7A8592; DivK1c_007042; 7-methoxy-8-isopentenoxycoumarin; 2H-1-Benzopyran-2-one, 7-methoxy-8-(3-methyl-2-butenyl)-; Ostole; AK-35300; N1825; KS-00000N3A; SPBio_000646; Osthole, European Pharmacopoeia (EP) Reference Standard; 484O128; 1440642-68-1; STK396321; 7-Methoxy-8-(3-methyl-but-2-enyl)-chromen-2-one; MBRLOUHOWLUMFF-UHFFFAOYSA-N; SR-01000721624; RP28651; 7-methoxy-8-(3-methylbut-2-enyl)-1-benzopyran-2-one; Osthole, primary pharmaceutical reference standard; CHEMBL52229; MLS001048988; 7-methoxy-8-(3-methylbut-2-enyl)chromen-2-one; TR-017689; NSC-31868; RTR-017689; Osthole, analytical standard; S-3211; Spectrum5_000334; MLS000574904; AKOS000277663; 7-methoxy-8-(3-methylbut-2-en-1-yl)-2H-chromen-2-one; CJ-00015; KBio2_004590; KBioGR_001954; KBio1_001986; MCULE-5691054147; KBio3_002589; AN-8395; ostole;osthole |
C15H16O3 |
244.28 g/mol |
CC(=CCC1=C(C=CC2=C1OC(=O)C=C2)OC)C |
TCMBANKIN058906 |
imperatorin |
HY-N0285; I06-0320; 9-[(3-METHYL-2-BUTEN-1-YL)OXY]-7H-FURO[3,2-G][1]BENZOPYRAN-7-ONE; BDBM50308719; 7H-Furo[3,2-g][1]benzopyran-7-one, 9-[(3-methyl-2-buten-1-yl)oxy]-; SpecPlus_000755; DSSTox_CID_28663; Imperatorin, European Pharmacopoeia (EP) Reference Standard; EINECS 207-581-1; ZB000436; KBio2_006371; SMR000156241; 9-[(3-Methyl-2-butenyl)oxy]-7H-furo[3,2-g]chromen-7-one #; AI3-61725; AC1L1UPZ; 9-(3-methylbut-2-enyloxy)furano[3,2-g]chromen-2-one; NCGC00095209-04; 7H-Furo[3,2-g][1]benzopyran-7-one, 9-((3-methyl-2-butenyl)oxy)-; KBio1_001795; 9-(3-methylbut-2-enoxy)-7-furo[3,2-g][1]benzopyranone; 8-isopent-2-enyloxy-6,7-furanocoumarin; Marmelide; ACon1_001117; 6-Hydroxy-7-(3-methyl-2-butenyloxy)-5-benzofuranacrylic acid omega-lactone; (9-[(3-methyl-2-buten-1-yl)oxy]-7H-furo[3,2-g][1]benzopyran-7-one); 9-[(3-Methyl-2-butenyl)oxy]-7H-furo[3,2-g][1]benzopyran-7-one, 9CI; Pentasalen, BAN; AC-8046; 9-[(3-methylbut-2-en-1-yl)oxy]-7H-furo[3,2-g]chromen-7-one; 7H-Furo[3,2-g][1]benzopyran-7-one,9-[(3-methyl-2-buten-1-yl)oxy]-; Marmelosin; NCGC00095209-01; CAS-482-44-0; InChI=1/C16H14O4/c1-10(2)5-7-19-16-14-12(6-8-18-14)9-11-3-4-13(17)20-15(11)16/h3-6,8-9H,7H2,1-2H; 8-isopentenyloxypsoralen; Bio-0346; AN-8400; 5-Benzofuranacrylic acid, 6-hydroxy-7-((3-methyl-2-butenyl)oxy)-, delta-lactone; DivK1c_006851; 5-Benzofuranacrylic acid, 6-hydroxy-7-((3-methyl-2-butenyl)oxy)-, .delta.-lactone; CCG-38649; LS-70737; 9-(3-Methylbut-2-enyloxy)furo(3,2-g)chromen-7-one; ST45000841; HMS3354E04; SR-01000721772-2; 9-((3-methylbut-2-en-1-yl)oxy)-7H-furo[3,2-g]chromen-7-one; 9-(3-Methylbut-2-enyloxy)-7H-furo(3,2-g)chromen-7-one; KBio3_001050; 9-[(3-Methyl-2-butenyl)-oxy]-7H-furo[3,2-g][1][benzopyran-7-one; 9-[(3-methyl-2-butenyl)oxy]-7H-furo[3,2-g][1] benzopyran-7-one; NCGC00095209-06; Spectrum_000755; KBioGR_001864; HMS3261C08; Pentosalen; OLOOJGVNMBJLLR-UHFFFAOYSA-N; CTK5J8942; WLN: T C566 DO LVOTJ BO2UY1&1; C-16983; NCGC00095209-02; A827504; 9-[(3-methylbut-2-en-1-yl)oxy]-2H-furo[3,2-g]chromen-2-one; SPECTRUM102076; NSC402949; Imperatorin, >=98% (HPLC), powder; MEGxp0_000089; Marmelosin, analytical standard; NCGC00095209-03; FT-0603414; 9-[(3-Methylbut-2-enyl)oxy]-7H-furo[3,2-g][1]benzopyran-7-one; imperatorin ; 7H-Furo[3, 9-[(3-methyl-2-butenyl)oxy]-; 8-(3-Methyl-2-butenyloxy)psoralen; KBioSS_001235; K713N25C78; 7H-Furo[3,2-g][1]benzopyran-7-one, 9-[(3-methyl-2-butenyl)oxy]-; SDCCGMLS-0066373.P001; 9-(3-methylbut-2-enoxy)furo[3,2-g]chromen-7-one; SCHEMBL50437; Tox21_500413; N1859; Spectrum2_000376; 9-[(3-methyl-2-buten-1-yl)oxy]-7H-furo[3,2-g]chromen-7-one; MFCD00016881; MLS000574838; KBio2_001235; LP00413; API0002987; 9-(3-Methyl-2-butenyloxy)-7-oxofuro[3,2-g]chromene; Pentosalen [BAN]; Ammidin; Spectrum5_000244; DTXSID8048737; DSSTox_GSID_48737; 8-Prenyloxypsoralen; HSDB 3497; BG01563273; 8-Isoamylenoxypsoralen; NSC 402949; CHEMBL453805; CC-29497; Enoxypsoralen; 5-hydroxy-8-(1,1-dimethylallyl)psoralen; NSC-402949; 8-Isopentenyloxypsoralene; 9-(3-Methylbut-2-enyloxy)furo[3,2-g]chromen-7-one; Q-100532; I0904; 9-((3-Methyl-2-butenyl)oxy)-7H-furo(3,2-g)(1)benzopyran-7-one; 482-44-0; DSSTox_RID_82933; UNII-K713N25C78; TR-036857; W1274; Tox21_113179; NCGC00169661-02; IMPERATORIN; ZINC1904; HMS2218G08; SR-01000721772; Tox21_113179_1; SPBio_000531; CS-5800; KBio2_003803; MCULE-3248623364; Spectrum3_000145; HMS1922N22; CCRIS 4346; C09269; SC-16643; NCGC00095209-05; 482I440; NCGC00261098-01; NCGC00169661-01; MolPort-000-881-264; Oprea1_407817; AKOS000277029; Spectrum4_001422; 9-[(3-methyl-2-butenyl)oxy]-7H-furo[3,2-g]-1-benzopyran-7-one; D09ROW; CHEBI:5885; CI0030; 7H-Furo(3,2-g)(1)benzopyran-7-one, 9-((3-methyl-2-butenyl)oxy)-; 70102-00-0; BSPBio_001850; AIDS071128; MLS000574838; ZINC00001904; 9-(3-Methylbut-2-enyloxy)-7H-furo(3,2-g)chromen-7-one; KBio3_001050; SpecPlus_000755; Spectrum_000755; KBioGR_001864; KBio2_001235; EINECS 207-581-1; Pentosalen; SPBio_000531; KBio2_006371; SMR000156241; WLN: T C566 DO LVOTJ BO2UY1&1; Spectrum5_000244; KBio2_003803; AI3-61725; Spectrum3_000145; NCGC00095209-02; 9-(3-methylbut-2-enoxy)-7-furo[3,2-g]chromenone; CCRIS 4346; Imperatorin; 7H-Furo[3,2-g][1]benzopyran-7-one, 9-((3-methyl-2-butenyl)oxy)-; SPECTRUM102076; HSDB 3497; C09269; AIDS-071128; KBio1_001795; 8-Isoamylenoxypsoralen; NSC 402949; NSC402949; MEGxp0_000089; ACon1_001117; 6-Hydroxy-7-(3-methyl-2-butenyloxy)-5-benzofuranacrylic acid omega-lactone; 8-Isopentenyloxypsoralene; 9-(3-Methylbut-2-enyloxy)furo[3,2-g]chromen-7-one; 9-[(3-methylbut-2-en-1-yl)oxy]-7H-furo[3,2-g]chromen-7-one; KBioSS_001235; 9-((3-Methyl-2-butenyl)oxy)-7H-furo(3,2-g)(1)benzopyran-7-one; Oprea1_407817; 482-44-0; Spectrum4_001422; Marmelosin; NCGC00095209-01; SDCCGMLS-0066373.P001; InChI=1/C16H14O4/c1-10(2)5-7-19-16-14-12(6-8-18-14)9-11-3-4-13(17)20-15(11)16/h3-6,8-9H,7H2,1-2H; 9-(3-methylbut-2-enoxy)furo[3,2-g]chromen-7-one; ST5308976; 7H-Furo[3,2-g][1]benzopyran-7-one, 9-[(3-methyl-2-butenyl)oxy]-; 5-Benzofuranacrylic acid, 6-hydroxy-7-((3-methyl-2-butenyl)oxy)-, delta-lactone; 5-Benzofuranacrylic acid, 6-hydroxy-7-[(3-methyl-2-butenyl)oxy]-, .delta.-lactone; DivK1c_006851; Spectrum2_000376; 7H-Furo(3,2-g)(1)benzopyran-7-one, 9-((3-methyl-2-butenyl)oxy)-; 9-(3-Methylbut-2-enyloxy)furo(3,2-g)chromen-7-one; 70102-00-0; BSPBio_001850; HY-N0285; I06-0320; 9-[(3-METHYL-2-BUTEN-1-YL)OXY]-7H-FURO[3,2-G][1]BENZOPYRAN-7-ONE; BDBM50308719; 7H-Furo[3,2-g][1]benzopyran-7-one, 9-[(3-methyl-2-buten-1-yl)oxy]-; SpecPlus_000755; DSSTox_CID_28663; Imperatorin, European Pharmacopoeia (EP) Reference Standard; EINECS 207-581-1; ZB000436; KBio2_006371; SMR000156241; 9-[(3-Methyl-2-butenyl)oxy]-7H-furo[3,2-g]chromen-7-one #; AI3-61725; AC1L1UPZ; 9-(3-methylbut-2-enyloxy)furano[3,2-g]chromen-2-one; NCGC00095209-04; 7H-Furo[3,2-g][1]benzopyran-7-one, 9-((3-methyl-2-butenyl)oxy)-; KBio1_001795; 9-(3-methylbut-2-enoxy)-7-furo[3,2-g][1]benzopyranone; Marmelide; ACon1_001117; 6-Hydroxy-7-(3-methyl-2-butenyloxy)-5-benzofuranacrylic acid omega-lactone; (9-[(3-methyl-2-buten-1-yl)oxy]-7H-furo[3,2-g][1]benzopyran-7-one); 9-[(3-Methyl-2-butenyl)oxy]-7H-furo[3,2-g][1]benzopyran-7-one, 9CI; Pentasalen, BAN; AC-8046; 9-[(3-methylbut-2-en-1-yl)oxy]-7H-furo[3,2-g]chromen-7-one; 7H-Furo[3,2-g][1]benzopyran-7-one,9-[(3-methyl-2-buten-1-yl)oxy]-; Marmelosin; NCGC00095209-01; CAS-482-44-0; InChI=1/C16H14O4/c1-10(2)5-7-19-16-14-12(6-8-18-14)9-11-3-4-13(17)20-15(11)16/h3-6,8-9H,7H2,1-2H; 8-isopentenyloxypsoralen; Bio-0346; AN-8400; 5-Benzofuranacrylic acid, 6-hydroxy-7-((3-methyl-2-butenyl)oxy)-, delta-lactone; DivK1c_006851; 5-Benzofuranacrylic acid, 6-hydroxy-7-((3-methyl-2-butenyl)oxy)-, .delta.-lactone; CCG-38649; LS-70737; 9-(3-Methylbut-2-enyloxy)furo(3,2-g)chromen-7-one; ST45000841; HMS3354E04; SR-01000721772-2; 9-((3-methylbut-2-en-1-yl)oxy)-7H-furo[3,2-g]chromen-7-one; 9-(3-Methylbut-2-enyloxy)-7H-furo(3,2-g)chromen-7-one; KBio3_001050; 9-[(3-Methyl-2-butenyl)-oxy]-7H-furo[3,2-g][1][benzopyran-7-one; NCGC00095209-06; Spectrum_000755; KBioGR_001864; HMS3261C08; Pentosalen; OLOOJGVNMBJLLR-UHFFFAOYSA-N; CTK5J8942; WLN: T C566 DO LVOTJ BO2UY1&1; C-16983; NCGC00095209-02; A827504; 9-[(3-methylbut-2-en-1-yl)oxy]-2H-furo[3,2-g]chromen-2-one; SPECTRUM102076; NSC402949; Imperatorin, >=98% (HPLC), powder; MEGxp0_000089; Marmelosin, analytical standard; NCGC00095209-03; FT-0603414; 9-[(3-Methylbut-2-enyl)oxy]-7H-furo[3,2-g][1]benzopyran-7-one; 7H-Furo[3, 9-[(3-methyl-2-butenyl)oxy]-; 8-(3-Methyl-2-butenyloxy)psoralen; KBioSS_001235; K713N25C78; 7H-Furo[3,2-g][1]benzopyran-7-one, 9-[(3-methyl-2-butenyl)oxy]-; SDCCGMLS-0066373.P001; 9-(3-methylbut-2-enoxy)furo[3,2-g]chromen-7-one; SCHEMBL50437; Tox21_500413; N1859; Spectrum2_000376; 9-[(3-methyl-2-buten-1-yl)oxy]-7H-furo[3,2-g]chromen-7-one; MFCD00016881; MLS000574838; KBio2_001235; LP00413; API0002987; 9-(3-Methyl-2-butenyloxy)-7-oxofuro[3,2-g]chromene; Pentosalen [BAN]; Ammidin; Spectrum5_000244; DTXSID8048737; DSSTox_GSID_48737; 8-Prenyloxypsoralen; HSDB 3497; BG01563273; 8-Isoamylenoxypsoralen; NSC 402949; CHEMBL453805; CC-29497; Enoxypsoralen; 5-hydroxy-8-(1,1-dimethylallyl)psoralen; NSC-402949; 8-Isopentenyloxypsoralene; 9-(3-Methylbut-2-enyloxy)furo[3,2-g]chromen-7-one; Q-100532; I0904; 9-((3-Methyl-2-butenyl)oxy)-7H-furo(3,2-g)(1)benzopyran-7-one; 482-44-0; DSSTox_RID_82933; UNII-K713N25C78; TR-036857; W1274; Tox21_113179; NCGC00169661-02; IMPERATORIN; ZINC1904; HMS2218G08; SR-01000721772; Tox21_113179_1; SPBio_000531; CS-5800; KBio2_003803; MCULE-3248623364; Spectrum3_000145; HMS1922N22; CCRIS 4346; C09269; SC-16643; NCGC00095209-05; 482I440; NCGC00261098-01; NCGC00169661-01; MolPort-000-881-264; Oprea1_407817; AKOS000277029; Spectrum4_001422; 9-[(3-methyl-2-butenyl)oxy]-7H-furo[3,2-g]-1-benzopyran-7-one; D09ROW; CHEBI:5885; CI0030; 7H-Furo(3,2-g)(1)benzopyran-7-one, 9-((3-methyl-2-butenyl)oxy)-; 70102-00-0; BSPBio_001850; Ammidin; imperatorine |
C16H14O4 |
270.28 g/mol |
CC(=CCOC1=C2C(=CC3=C1OC=C3)C=CC(=O)O2)C |