furan,ylmethylidene,dihydrofuran
Dihydrofuran
123297-98-3(1S)-2-{(4aR,5S,6R,8S,8aR)-8a-[(acetyloxy)methyl]-8-hydroxy-5,6-dimethyloctahydro-2H-spiro[naphthalene-1,2'-oxiran]-5-yl}-1-(5-oxo-2,5-dihydrofuran-3-yl)ethyl (2S)-2-methylbutanoate
123297-97-2(1S)-2-[(4aR,5S,6R,8S,8aR)-8-(acetyloxy)-8a-(hydroxymethyl)-5,6-dimethyloctahydro-2H-spiro[naphthalene-1,2'-oxiran]-5-yl]-1-(5-oxo-2,5-dihydrofuran-3-yl)ethyl (2S)-2-methylbutanoate