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【多选题】
青霉素的结构通性为（）.
A.
本类药物吸湿或溶于水后性质不稳定
B.
本类药物溶于水后，β-内酰胺破裂而失效
C.
各种青霉素的结构主要区别是R基的不同
D.
氨苄青霉素口服吸收好，其脂化物降低吸收率
E.
青霉素和头孢菌素具有旋光性
相关题库：药物分析题库
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参考答案：
举一反三
【单选题】Food and Health The food we eat seems to have profound effects on our health. Although science has made enormous steps in making food more fit to eat, it has at the same time, made many foods unfit to...
A.
Right
B.
Wrong
C.
Not mentioned
相关题目：
【单选题】Food and Health The food we eat seems to have profound effects on our health. Although science has made enormous steps in making food more fit to eat, it has at the same time, made many foods unfit to...
A.
Right
B.
Wrong
C.
Not mentioned
参考解析：
题目纠错 0
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