424-89-5 6-Chloro-17-acetoxy-16alpha-methylpregna-4,6-diene-3,20-dione 6-Chloro-17-hydroxy-16alpha-methylpregna-4,6-diene-3,20-dione acetate CLOMEGESTONE ACETATE Clomegestone acetate [USAN] Pregna-4,6-diene-3,20-dione, 17-(acetyloxy)-6-chloro-16-methyl-, (16alpha)- SH 741