芬太尼的化学结构是()

A . ['https://assets.asklib.com/psource/2015081810155865012.png B .https://assets.asklib.com/psource/2015081810160347562.png C .https://assets.asklib.com/psource/2015081810160726927.png D .https://assets.asklib.com/psource/2015081810161216984.png E .https://assets.asklib.com/psource/2015081810161889885.png

时间:2022-10-06 20:06:59 所属题库:常用药物结构特征与作用题库

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