(4R,4aR,5S,6R,8S,8aR)-8a-[(acetyloxy)methyl]-8-hydroxy-5-[(2S)-2-hydroxy-2-(5-oxo-2,5-dihydrofuran-3-yl)ethyl]-5,6-dimethyloctahydro-2H-spiro[naphthalene-1,2'-oxiran]-4-yl (2S)-2-methylbutanoate
3-(2,5-dimethoxybenzylidene)dihydrofuran-2(3H)-one
3R-BENZYL-4R-ISOPROPYLDIHYDROFURAN-2-ONE
methyl [5-(4-bromophenyl)-3-oxo-2,3-dihydrofuran-2-yl]ethaneperoxoate