(S)-2-Methyl-butyric acid (1aS,3S,4S,4aS,5S,7S,8aR)-7-(tert-butyl-diphenyl-silanyloxy)-4-{2-[(2R,4R,6S)-4-(tert-butyl-diphenyl-silanyloxy)-6-methoxy-tetrahydro-pyran-2-yl]-ethyl}-3-methyl-octahydro-1-oxa-cyclopropa[d]naphthalen-5-yl ester

(1S,3S,5S,7S,8S,8aR)-3-((tert-butyldiphenylsilyl)oxy)-8-(2-((2R,4R)-4-((tert-butyldiphenylsilyl)oxy)-6-oxotetrahydro-2H-pyran-2-yl)ethyl)-5-hydroxy-7-methyl-1,2,3,5,6,7,8,8a-octahydronaphthalen-1-yl (S)-2-methylbutanoate

(1aS,3S,4S,4aS,5S,7S,8aR)-7-((tert-butyldiphenylsilyl)oxy)-4-(2-((2R,4R)-4-((tert-butyldiphenylsilyl)oxy)-6-oxotetrahydro-2H-pyran-2-yl)ethyl)-3-methyloctahydro-3H-naphtho[1,8a-b]oxiren-5-yl (S)-2-methylbutanoate

(3R-(3α,5α(S*)))-8-methyl-3-(phenylmethoxy)-1-oxaspiro(4.5)dec-6-en-2-one

Acetic acid (1S,3R,7S,8S,8aR)-3-acetoxy-7-methyl-8-[2-((R)-4-oxo-3,4-dihydro-2H-pyran-2-yl)-ethyl]-1,2,3,4,6,7,8,8a-octahydro-naphthalen-1-yl ester