(4aR,6S,7S,7aR)-7-methyl-4-methylene-2-[(4-methylphenyl)sulfonyl]octahydro-1H-cyclopenta[c]pyridin-6-ol

(4R,4aS,6R,7S,7aR)-2,4,7-trimethyloctahydro-1H-cyclopenta[c]pyridin-6-yl 4-nitrobenzoate

(4aR,6S,7S,7aR)-6-{[tert-butyl(dimethyl)silyl]oxy}-7-methyl-4-methylene-2-[(4-methylphenyl)sulfonyl]octahydro-1H-cyclopenta[c]pyridine

bis[(4R,4aS,6R,7S,7aR)-2,4,7-trimethyloctahydro-1H-cyclopenta[c]pyridin-6-yl] 2,4-bis(3-methoxy-4-{[(4-methylphenyl)sulfonyl]oxy}phenyl)cyclobutane-1,3-dicarboxylate