醋酸氯地孕酮

(8R,9S,10R,13S,14S,17R)-17-acetyl-4-chloro-17-hydroxy-10,13-dimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-one

17-α acetoxy-4,5-epoxypregnan-3,20-dione