题目内容
木犀草素的结构是
2021-12-29
A.5,7-二羟基黄酮
B.5,7,3,4-四羟基黄酮
C.3,5,7-三羟基黄酮
D.3,5,7,3,4-五羟基黄酮
E.5,7,3,4,5-五羟基黄酮
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