1162-60-3

Org-OM 38 NSC 142228 -4-TIBOLONE Gestrinone Impurity 8 Org OD 14 4-ene isomer 7a-Methylnorethindrone 17a-Ethynyl-17-hydroxy-7a-methyl-4-estren-3-one 17α-Ethynyl-17 -hydroxy-7α-Methyl-4-estren-3-one 7α-Methyl-17β-hydroxy-17-ethynylestra-4-ene-3-one (7R,17R)-17-Hydroxy-7-methyl-19-norpregn-4-en-20-yn-3-one (7a,17a)-17-Hydroxy-7-methyl-19-norpregn-4-en-20-yn-3-one (7α,17α)-17-Hydroxy-7-Methyl-19-norpregn-4-en-20-yn-3-one