Synonyms: (3S,5R,10S,13S,14S,17S)-17-((R)-1,5-Dimethyl-hex-4-enyl)-4,4,10,13,14-pentamethyl-2,3,4,5,6,10,12,13,14,15,16,17-dodecahydro-1H-cyclopenta(a)phenanthren-3-ol;(3S,5R,10S,13S,14S,17S)-17-((R)-1,5-Dimethyl-hex-4-enyl)-4,4,10,13,14-pentamethyl-2,3,4,5,6,10,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol;Antiquol C