英文同义词: | Nomegestrol Impurity 1;19-Norpregna-4,6-diene-3,20-dione, 17-(acetyloxy)-6-(hydroxymethyl)-;Nomegestrol Acetate Impurity 2;17α-Acetoxy-6-hydroxymethyl-3,20-dioxo-19-nor-pregna-4,6-diene;17a-Acetoxy-6-hydroxymethyl-3,20-dioxo-19-nor-pregna-4,6-diene |