1.0 2026-09-22 18:50:18 UTC 2026-09-22 18:51:08 UTC FDB118712 iso-alpha-humulone (4R)-3,4-dihydroxy-2-(3-methylbutanoyl)-5-(3-methylbut-2-enyl)-4-(4-methylpent-3-enoyl)cyclopent-2-en-1-one C21H30O5 362.5 CC(C)CC(=O)C1=C([C@](C(C1=O)CC=C(C)C)(C(=O)CC=C(C)C)O)O InChI=1S/C21H30O5/c1-12(2)7-9-15-19(24)18(16(22)11-14(5)6)20(25)21(15,26)17(23)10-8-13(3)4/h7-8,14-15,25-26H,9-11H2,1-6H3/t15?,21-/m0/s1 QARXXMMQVDCYGZ-FXMQYSIJSA-N average_mass 362.5 ChemAxon smiles CC(C)CC(=O)C1=C([C@](C(C1=O)CC=C(C)C)(C(=O)CC=C(C)C)O)O ChemAxon formula C21H30O5 ChemAxon inchi InChI=1S/C21H30O5/c1-12(2)7-9-15-19(24)18(16(22)11-14(5)6)20(25)21(15,26)17(23)10-8-13(3)4/h7-8,14-15,25-26H,9-11H2,1-6H3/t15?,21-/m0/s1 ChemAxon inchikey QARXXMMQVDCYGZ-FXMQYSIJSA-N ChemAxon