((4aR,6S,8aS)-6-Bromo-2,5,5,8a-tetramethyl-3,4,4a,5,6,7,8,8a-octahydro-naphthalen-1-yl)-acetic acid

Acetic acid (1R,2S,4aR,6S,8aS)-6-bromo-1-(2-hydroxy-ethyl)-2,5,5,8a-tetramethyl-decahydro-naphthalen-2-yl ester

Chloro-acetic acid 2-((1R,2S,4aR,6S,8aS)-2-acetoxy-6-bromo-2,5,5,8a-tetramethyl-decahydro-naphthalen-1-yl)-ethyl ester

((1R,4aS,6R,8aS)-6-Bromo-2,5,5,8a-tetramethyl-1,4,4a,5,6,7,8,8a-octahydro-naphthalen-1-yl)-acetonitrile