英文别名:
NOMEGESTROL ACETATE IMPURITY A;6α-Methyl-3,20-dioxo-19-norpregn-4-en-17-yl acetate;Nomegestrol Acetate EP Impurity A;17-Hydroxy-6α-methyl-19-norpregn-4-ene-3,20-dione Acetate;6α-Methyl-3,20-dioxo-19-norpregn-4-en-17-yl Acetate;19-Norpregn-4-ene-3,20-dione, 17-(acetyloxy)-6-methyl-, (6α)-