(1aS,3aS,4S,5aR,7aS,7bR,7cS,10aS,12aR)-3a,12a,13,13-tetramethyl-2-methylene-9-oxo-4-((triethylsilyl)oxy)decahydro-11H-1a,10a-methanooxeto[2'',3'':5',6']benzo[1',2':3,4]oxireno[2',3':7,8]cyclodeca[1,2-d][1,3]dioxol-7a(7H)-yl acetate

(S)-5-{(S)-[(1S,2R,3S,4S,6R)-1-Benzyloxy-4-(tert-butyl-dimethyl-silanyloxy)-3-(2,2-dimethoxy-ethyl)-3-methyl-7-oxa-bicyclo[4.2.0]oct-2-yl]-hydroxy-methyl}-5-hydroxy-2,6,6-trimethyl-cyclohex-2-enone

(1aS,3aS,4S,5aR,7aS,7bR,7cS,10aS,12aR)-7a-(benzyloxy)-3a,12a,13,13-tetramethyl-2-methylene-4-((triethylsilyl)oxy)dodecahydro-11H-1a,10a-methanooxeto[2'',3'':5',6']benzo[1',2':3,4]oxireno[2',3':7,8]cyclodeca[1,2-d][1,3]dioxol-9-one

(3aS,9aS,10S,11aR,13aS,13bR,13cS)-13a-(benzyloxy)-6,9a,14,14-tetramethyl-8-methylene-10-((triethylsilyl)oxy)-4,5,8,9,9a,10,11,11a,13,13a,13b,13c-dodecahydro-3a,7-methanooxeto[2'',3'':5',6']benzo[1',2':3,4]cyclodeca[1,2-d][1,3]dioxol-2-one

(2aR,4S,4aS,11S,12S,12aR,12bS)-12b-acetoxy-11-hydroxy-4a,8,13,13-tetramethyl-6-oxo-4-((triethylsilyl)oxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl benzoate