(1aR,1bR,2R,3R,6S,7bR,8R,9aR)-2-((tert-butyldimethylsilyl)oxy)-1,1,3,6,8-pentamethyl-7b-((trimethylsilyl)oxy)-1a,1b,2,3,5,6,7b,8,9,9a-decahydro-1H-cyclopropa[3,4]benzo[1,2-e]azulen-6-ol

(1aR,1bR,2R,3R,4R,4aS,6S,7bR,8R,9aR)-2-((tert-butyldimethylsilyl)oxy)-1,1,3,6,8-penta-methyl-7b-((trimethylsilyl)oxy)-1,1a,1b,2,3,4,5,6,7b,8,9,9a-dodecahydro-4aH-cyclopropa[3,4]benzo[1,2-e]azulene-4,4a,6-triol

(2S,3aS,6aR,7R,8R,8bR,9aR,11R,11aR)-8-((tert-butyldimethylsilyl)oxy)-2-hydroxy-2,7,9,9,11-pentamethyl-11a-((trimethylsilyl)oxy)-2,3,6a,7,8,8a,8b,9,9a,10,11,11a-dodecahydro-cyclopropa[5',6']benzo[1',2':7,8]azuleno[3a,4-d][1,3]dioxol-5-one

(3aS,6aR,7R,8R,9R,9aR,10aR,12R,12aS)-8-((tert-butyldimethylsilyl)oxy)-2,7,10,10,12-pentamethyl-6a,7,9,9a,10,10a,12,12-octahydro-3H,8H-9,12a-methanocyclopenta[1,10]cyclopropa[6,7]cyclodeca[1,2-d][1,3]dioxole-5,13-dione

(3S,3aS,6aR,7S,8R,9R,9aR,10aR,12R,12aS)-8-hydroxy-2,7,10,10,12pentamethyl-5,13-dioxo-6a,7,9,9a,10,10a,11,12-octahydro-3H,8H-9,12a-methanocyclopenta[1,10]cyclopropa[6,7]cyclodeca[1,2-d][1,3 ]dioxol-3-yl acetate