55249-44-0 (4E)-1a,5-dimethyl-8-methylidene-9-oxo-1a,2,3,6,7,7a,8,9,10a,10b-decahydrooxireno[9,10]cyclodeca[1,2-b]furan-6-yl acetate 33880-85-2 methyl (1aR,4E,6S,7S,7aR,10aS,10bR)-6-(acetyloxy)-7-({[(2R,3R)-2,3-dimethyloxiran-2-yl]carbonyl}oxy)-1a-methyl-8-methylidene-9-oxo-1a,2,3,6,7,7a,8,9,10a,10b-decahydrooxireno[9,10]cyclodeca[1,2-b]furan-5-carboxylate 35852-26-7 methyl (2E,9Z)-5-{[(2,3-dimethyloxiran-2-yl)carbonyl]oxy}-4-hydroxy-10-methyl-6-methylidene-7-oxo-1a,4,5,5a,6,7,8a,10a-octahydrooxireno[7,8]cyclodeca[1,2-b]furan-3-carboxylate 17237-80-8 (3S,3aS,5aR,9R,9aS,9bS)-9-hydroxy-3,5a,9-trimethyl-3a,5,5a,9,9a,9b-hexahydronaphtho[1,2-b]furan-2,6(3H,4H)-dione 25423-01-2 (1aR,5aR,8aR,9S,10aR,11S)-11-hydroxy-8-methylidene-7-oxo-2,3,5a,7,8,8a,9,10-octahydro-1aH-4,10a-(methanooxymethano)oxireno[5,6]cyclodeca[1,2-b]furan-9-yl 2-methylprop-2-enoate