title: 6,16-DIMETHYLATED STEROIDS. IV. 4,4-DIMETHYL ANALOGS.
mesh_terms: D002626:Chemistry, Pharmaceutical; D009930:Organic Chemicals; D010600:Pharmacology; D011372:Progestins; D012106:Research; D013256:Steroids
chemical_list: D009930:Organic Chemicals; D011372:Progestins; D013256:Steroids
keywords: CHEMISTRY, PHARMACEUTICAL; EXPERIMENTAL LAB STUDY; PHARMACOLOGY; PROGESTATIONAL HORMONES