题目内容
最易溶于5%NaHCO碱液中的黄酮类化合物是
2021-10-23
A.6,7,4′-三羟基黄酮
B.5,6,3′-三羟基黄酮
C.6,2′,6′-三羟基黄酮
D.5,7,5′-三羟基黄酮
E.3,3′,4′-三羟基黄酮
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