Benzoic acid (1S,2S,4S,9R,10R,13S)-9-[2-(tert-butyl-dimethyl-silanyloxy)-ethoxy]-1,4,13-trihydroxy-4,12,15,15-tetramethyl-10-phenylsulfanyl-tricyclo[9.3.1.03,8]pentadeca-3(8),11-dien-2-yl ester

(S)-1-Hydroxy-4,6,6-trimethyl-5-[1-phenylsulfanyl-meth-(E)-ylidene]-3-triisopropylsilanyloxy-cyclohex-3-enecarbaldehyde

(S)-1-[(S)-(6-[1,3]Dioxolan-2-yl-2-triethylsilanyloxy-cyclohexa-1,5-dienyl)-hydroxy-methyl]-4,6,6-trimethyl-5-[1-phenylsulfanyl-meth-(E)-ylidene]-3-triisopropylsilanyloxy-cyclohex-3-enol

(3aS,8R,9R,13bS)-9-(2-((tert-butyldimethylsilyl)oxy)ethoxy)-6,14,14-trimethyl-8-(phenylthio)-8,9,10,11,12,13b-hexahydro-4H-3a,7-methanobenzo[3,4]cyclodeca[1,2-d][1,3]dioxole-2,5,13-trione

(3aS,5S,8R,9R,13S,13bS)-9-(2-((tert-butyldimethylsilyl)oxy)ethoxy)-5,13-dihydroxy-6,13,14,14-tetramethyl-8-(phenylthio)-5,8,9,10,11,12,13,13b-octahydro-4H-3a,7-methanobenzo[3,4]cyclodeca[1,2-d][1,3]dioxol-2-one

(1S,2S,9R,10R)-9-[2-(tert-Butyl-dimethyl-silanyloxy)-ethoxy]-1,2-dihydroxy-12,15,15-trimethyl-10-phenylsulfanyl-tricyclo[9.3.1.03,8]pentadeca-3(8),11-diene-4,13-dione

3-[1,3]Dioxolan-2-yl-2-((S)-hydroxy-{(S)-1-hydroxy-4,6,6-trimethyl-5-[1-phenylsulfanyl-meth-(E)-ylidene]-3-triisopropylsilanyloxy-cyclohex-3-enyl}-methyl)-cyclohex-2-enone