Not available,(4S,6aR,6bS,8aS,8bS,9aS,10aS,10bR)-6a,8a-Dimethyl-8b-(pyridin-3-yl)- 3,4,5,6,6a,6b,7,8,8a,8b,9a,10,10a,10b-tetradecahydro-1H-naphtho[2',1':4,5]indeno[1,2- b]oxiren-4-yl Acetate,Impurity in commercial preparation of Abiraterone.,Abiraterone Acetate Impurity