Formic acid (R)-1-((S)-2-acetyl-oxiranyl)-2-((1R,2R,4aS,8aS)-5-formyl-1,2,4a-trimethyl-1,2,3,4,4a,7,8,8a-octahydro-naphthalen-1-yl)-ethyl ester

((1R,2R,4aS,8aS)-1,2,4a-Trimethyl-5-oxo-decahydro-naphthalen-1-yl)-acetic acid ethyl ester

((1R,2R,4aS,8aS)-1,2,4a-Trimethyl-5-trifluoromethanesulfonyloxy-1,2,3,4,4a,7,8,8a-octahydro-naphthalen-1-yl)-acetic acid ethyl ester

12-O-formyl-15,20-tetrahydroclerocidin

1-((S)-2-{(R)-2-[(1R,2R,4aS,8aS)-5-(tert-Butyl-diphenyl-silanyloxymethyl)-1,2,4a-trimethyl-1,2,3,4,4a,7,8,8a-octahydro-naphthalen-1-yl]-1-hydroxy-ethyl}-oxiranyl)-ethanone