Synonyms: AC1L4L6R;[(1R,3R,4aR,5S,6R,8S,8aR)-5-[(3aS,6aS)-3a,4,5,6a-tetrahydrofuro[2,3-b]furan-5-yl]-8-acetyloxy-8a-(acetyloxymethyl)-3-hydroxy-5,6-dimethylspiro[3,4,4a,6,7,8-hexahydro-2H-naphthalene-1,2'-oxirane]-2-yl] (2S)-2-methylbutanoate;87441-78-9;Butanoic acid, 2-methyl-, (1R,2S,3R,4aR,5S,6R,8S,8aR)-8-(acetyloxy)-8a-((acetyloxy)methyl)octahydro-3-hydroxy-5,6-dimethyl-5-((2S,3aS,6aS)-2,3,3a,6a-tetrahydrofuro(2,3-b)furan-2-yl)spiro(naphthalene-1(2H),2'-oxiran)-2-yl ester