Clomestrone

16α-Chloro-3-methoxyestra-1,3,5(10)-trien-17-one

16-alpha-chloro-3-methoxyoestra-1,3,5(10)-trien-17-one

(8R,9S,13S,14S,16R)-16-chloro-3-methoxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-one