题目内容
阿司匹林的红外光谱中的特征吸收峰有
2021-10-18
A.υOH3300～2300cm-1
B.υC-o1760～1695cm-1
C.υC-c1610～1580cm-1
D.υC-o1310～1190cm-1
E.邻位取代苯环750cm-1
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