题目内容
羟基分布在一侧苯环上的化合物是
2022-01-07
A.大黄酸
B.大黄素
C.大黄酚
D.芦荟大黄素
E.茜草素
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='30714' and id < 2474573 and id<>'2474573' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30714' and id > 2474573 and id<>'2474573' order by id asc limit 5