(S)-2-Methyl-butyric acid (1S,4aR,7S,8S,8aS)-8-[(R)-3-(2-bromo-acetoxy)-5-hydroxy-pentyl]-7-methyl-1,2,3,4,4a,7,8,8a-octahydro-naphthalen-1-yl ester
(4aR,7S,8S,8aS)-8-((R)-3-Hydroxy-5-trityloxy-pentyl)-7-methyl-3,4,4a,7,8,8a-hexahydro-2H-naphthalen-1-one
(1S,4aR,7S,8S,8aS)-8-((R)-3-Hydroxy-5-trityloxy-pentyl)-7-methyl-1,2,3,4,4a,7,8,8a-octahydro-naphthalen-1-ol
Bromo-acetic acid (R)-1-[2-((1S,2S,4aR,8S,8aS)-8-hydroxy-2-methyl-1,2,4a,5,6,7,8,8a-octahydro-naphthalen-1-yl)-ethyl]-3-trityloxy-propyl ester
(S)-2-Methyl-butyric acid (1S,4aR,7S,8S,8aS)-8-[(R)-3-(2-bromo-acetoxy)-5-trityloxy-pentyl]-7-methyl-1,2,3,4,4a,7,8,8a-octahydro-naphthalen-1-yl ester