Synonyms: Chlordrolone;SKF 6612;NSC 522766;BRN 2625267;4-Chloro-17-alpha-methyl-19-nortestosterone;4-Chloro-17-beta-hydroxy-17-methylestr-4-en-3-one;ESTR-4-EN-3-ONE, 4-CHLORO-17-beta-HYDROXY-17-METHYL-;Estr-4-en-3-one, 4-chloro-17-hydroxy-17-methyl-, (17-beta)-;AC1L2D19;LS-64844;(17S)-4-chloro-17-hydroxy-13,17-dimethyl-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one