(7R,8R,9S,13S,14S,17R)-17-ethynyl-17-hydroxy-7,13-dimethyl-4,6,7,8,9,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one,(7R,8R,9S,13S,14S,17R)-17-ethynyl-17-hydroxy-7,13-dimethyl-4,6,7,8,9,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one,"Tibolone is a synthetic anabolic steroid with estrogenic, androgenic and progestagenic activities. The 3alpha- and 3beta-hydroxy metabolites of tibilone activate estrogenic receptors (ERs) in bone and vaginal tissue leading to a decrease in bone turnover,",Tibolone API
