丹参药材中含有的醌类化合物属于

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30714' and id < 2474572 and id<>'2474572' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30714' and id > 2474572 and id<>'2474572' order by id asc limit 5