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"四羟基黄酮"相关考试题目
1.
A.5,7,4'-三羟基黄酮B.5,7,3',4'-四羟基黄酮C.3,5,7,4'-四羟基黄酮D.3,5,7,3',4'-五羟基黄酮E.5,6,7-三羟基黄酮
2.
5,7,3’,4’-四羟基黄酮-3-O-葡萄糖苷
3.
5,7,3’,4’-四羟基黄酮
4.
A.5,7,4’-三羟基黄酮B.5,7,3’,4’-四羟基黄酮C.3,5,7,4’-四羟基黄酮D.3,5,7,3’,4’-五羟基黄酮E.3,5,7,3’,4’,5’--六羟基黄酮 木犀草素的结构为
5.
A.5,7,4’-三羟基黄酮B.5,7,3’,4’-四羟基黄酮C.3,5,7,4’-四羟基黄酮D.3,5,7,3’,4’-五羟基黄酮E.3,5,7,3’,4’,5’--六羟基黄酮 芹菜素的结构为
6.
可用于区别3,5,7,4’-四羟基黄酮和5,7,4’-三羟基黄酮的反应是
7.
A.5,7,4'-三羟基黄酮 B.5,7,3',4'-四羟基黄酮 C.3,5,7,4'-四羟基黄酮 D.3,5,7,3',4'-五羟基黄酮 E.5,6,7-三羟基黄酮
8.
A.5,7,4’-三羟基黄酮B.5,7,3’,4’-四羟基黄酮C.3,5,7,4’-四羟基黄酮D.3,5,7,3’,4’-五羟基黄酮E.3,5,7,3’,4’,5’--六羟基黄酮 槲皮素的结构为
9.
A.5,7,4’-三羟基黄酮B.5,7,3’,4’-四羟基黄酮C.3,5,7,4’-四羟基黄酮D.3,5,7,3’,4’-五羟基黄酮E.3,5,7,3’,4’,5’--六羟基黄酮山奈酚的结构为
10.
A.5,7,4'-三羟基黄酮 B.5,7,3',4'-四羟基黄酮 C.3,5,7,4'-四羟基黄酮 D.3,5,7,3',4'-五羟基黄酮 E.5,6,7-三羟基黄酮
11.
A.5,7,4’-三羟基黄酮B.5,7,3’,4’-四羟基黄酮C.3,5,7,4’-四羟基黄酮D.3,5,7,3’,4’-五羟基黄酮E.3,5,7,3’,4’,5’--六羟基黄酮 山奈酚的结构为
12.
可用于区别3,5,7,4’-四羟基黄酮和5,7,4’-三羟基黄酮的反应是()。
13.
① 3,5,7,4′-四羟基黄酮 ② 3,5,3′,4′-四羟基黄酮 ③ 3,5,8-三羟基黄酮的酸性强弱顺序是()