题目内容
青霉素钠性质不稳定的主要原因是
2021-12-29
A.氢化噻唑环易开坏重排
B.酰胺侧链易进攻内酰胺环导致环合
C.羧基易脱去
D.β-内酰胺环易水解和分子重排
E.氢化噻唑环易氧化分解
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