(1S,2S,5S,7S,10R,11S,15S)-5-hydroxy-2,15-dimethyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadecan-14-one
(1S,2S,5S,7S,10R,11S,15S)-5-hydroxy-2,15-dimethyltetracyclo[8.7.0.02,7.011,15]heptadecan-14-one
(3aS,3bR,5aS,7S,9aS,9bS,11aS)-7-hydroxy-9a,11a-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-1-one