(6α)-17-hydroxy-6-methylpregn-4-ene-3,20-dione; Medroxy Progesterone; 17-Hydroxy-6-methylpregn-4-ene-3,20-dione; 17α-Hydroxy-6α-methyl-4-pregnene-3,20-dione; 6-Dihydromegestrol;17α-Hydroxy-6α-methyl-progesterone; 17-Hydroxy-6α-methylpregn-4-ene-3,20-dione; NSC 27408; 6α-Methyl-5-pregnen-17α-ol-3,20-dione