1.0 2026-09-22 08:07:43 UTC 2026-09-22 08:09:10 UTC FDB117940 Deoxysericealactone methyl 2-(3,6-dimethyl-2-oxo-6-vinyl-4,5,7,7a-tetrahydrobenzofuran-5-yl)prop-2-enoate methyl 2-(6-ethenyl-3,6-dimethyl-2-oxo-4,5,7,7a-tetrahydro-1-benzofuran-5-yl)prop-2-enoate C16H20O4 276.33 276.13615911 CC1=C2CC(C(CC2OC1=O)(C)C=C)C(=C)C(=O)OC InChI=1S/C16H20O4/c1-6-16(4)8-13-11(9(2)15(18)20-13)7-12(16)10(3)14(17)19-5/h6,12-13H,1,3,7-8H2,2,4-5H3 ODNZGWQSPYLHGS-UHFFFAOYSA-N average_mass 276.33 ChemAxon mono_mass 276.13615911 ChemAxon smiles CC1=C2CC(C(CC2OC1=O)(C)C=C)C(=C)C(=O)OC ChemAxon formula C16H20O4 ChemAxon inchi InChI=1S/C16H20O4/c1-6-16(4)8-13-11(9(2)15(18)20-13)7-12(16)10(3)14(17)19-5/h6,12-13H,1,3,7-8H2,2,4-5H3 ChemAxon inchikey ODNZGWQSPYLHGS-UHFFFAOYSA-N ChemAxon