Abiraterone Acetate Standard

(3β)-17-(3-Pyridinyl)androsta-5,16-dien-3-ol Acetate (Ester); (3S,8R,9S,10R,13S,14S)-10,13-dimethyl-17-(pyridin-3-yl)-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl acetate; Androsta-5,16-dien-3-ol, 17-(3-pyridinyl)-, acetate (ester), (3β); 17-(Pyridin-3-yl)androsta-5,16-dien-3β-yl acetate;