1.0 2026-09-21 20:59:36 UTC 2026-09-21 21:00:06 UTC FDB117091 Isobavachalcone (E)-1-[2,4-dihydroxy-3-(3-methylbut-2-enyl)phenyl]-3-(4-hydroxyphenyl)prop-2-en-1-one C20H20O4 InChI=1S/C20H20O4/c1-13(2)3-9-16-19(23)12-10-17(20(16)24)18(22)11-6-14-4-7-15(21)8-5-14/h3-8,10-12,21,23-24H,9H2,1-2H3/b11-6+ DUWPGRAKHMEPCM-IZZDOVSWSA-N formula C20H20O4 ChemAxon inchi InChI=1S/C20H20O4/c1-13(2)3-9-16-19(23)12-10-17(20(16)24)18(22)11-6-14-4-7-15(21)8-5-14/h3-8,10-12,21,23-24H,9H2,1-2H3/b11-6+ ChemAxon inchikey DUWPGRAKHMEPCM-IZZDOVSWSA-N ChemAxon