Synonyms: Pregna-4,6-diene-3,20-dione,6-chloro-17-hydroxy-16-methylene-, acetate (7CI,8CI); 17a-Acetoxy-6-chloro-16-methylene-4,6-pregnadiene-3,20-dione;6-Chloro-16-methylene-17a-acetoxy-4,6-pregnadiene-3,20-dione; 6-Chloro-16-methylene-17a-hydroxy-4,6-pregnadiene-3,20-dione17-acetate; 6-Chloro-17-hydroxy-16-methylenepregna-4,6-diene-3,20-dioneacetate; 6-Chloro-17a-hydroxy-16-methylenepregna-4,6-diene-3,20-dione acetate; Agelin;Chlorsuperlutin; Methylenechlormadinone; Sch 12600