Abiraterone Isopropyl Ether D7

 3-((3S,8R,9S,10R,13S,14S)-10,13-dimethyl-3-((propan-2-yl-d7)oxy)-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl)pyridine.