4222-96-2 左炔诺孕酮EP杂质N
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英文别名13-Ethylgon-5(10)en-3,17-dione; (8R,9S,13S,14S)-13-ethyl-1,2,4,6,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthrene-3,17-dione; Levonorgestrel EP impurity N; Levonorgestrel Impurity 14; 13β-Ethylgon-5(10)-ene-3,17-dione; Levonorgestrel EP IMP N; Gon-5(10)-ene-3,17-dione, 13-ethyl-; DELTA-5(10)-LEVODIONE
