16-alpha-Methyldichlorosone 16A-METHYL DICHLORISONE 4732-48-3 Meclorisona [INN-Spanish] Meclorisone Meclorisonum [INN-Latin] NSC 92353 Pregna-1,4-diene-3,20-dione, 9,11-dichloro-17,21-dihydroxy-16-methyl-, (11beta,16alpha)-