问题
单项选择题 A型题
普鲁卡因水溶液的不稳定性是因为下列哪种结构易被氧化（）
A.酯键
B.苯胺基
C.二乙胺
D.N-乙基
E.苯基
答案
参考答案：B
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普鲁卡因水溶液的不稳定性是因为下列哪种结构易被氧化（）
A.酯键
B.苯胺基
C.二乙胺
D.N-乙基
E.苯基
参考答案：B
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