用5%NaHCO3水溶液可从混合物乙醚液萃出的成分是A.4＇-OCH3黄酮B.5-OH黄酮C.4＇-OH黄酮D.8-OH黄酮E.7,4＇-二OH黄酮

作者: rantiku 人气: - 评论: 0

问题用5%NaHCO3水溶液可从混合物乙醚液萃出的成分是

选项

A.4＇-OCH₃黄酮
B.5-OH黄酮
C.4＇-OH黄酮
D.8-OH黄酮
E.7,4＇-二OH黄酮

答案 E

解析

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