题目内容
下列黄酮类化合物中，共轭链最短的是
2021-12-14
A.查耳酮
B.二氢黄酮
C.黄酮醇
D.黄酮
E.花青素
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='29561' and id < 2403489 and id<>'2403489' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29561' and id > 2403489 and id<>'2403489' order by id asc limit 5