furan,ylmethylidene,dihydrofuran
Dihydrofuran
123297-93-88-(acetyloxy)-5-[2-(acetyloxy)-2-(5-oxo-2,5-dihydrofuran-3-yl)ethyl]-8a-(hydroxymethyl)-5,6-dimethyloctahydro-2H-spiro[naphthalene-1,2'-oxiran]-4-yl 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