左炔诺孕酮的化学结构是()

A . ['https://assets.asklib.com/psource/2015081814454821316.png B .https://assets.asklib.com/psource/201508181445543239.png C .https://assets.asklib.com/psource/2015081814455968568.png D .https://assets.asklib.com/psource/20150818144603697.png E .https://assets.asklib.com/psource/2015081814460880576.png

时间:2022-09-11 09:57:17 所属题库:常用药物结构特征与作用题库

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