遇光极不稳定，分子内产生歧化反应生成 硝基苯吡啶衍生物的是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='29782' and id < 2418293 and id<>'2418293' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29782' and id > 2418293 and id<>'2418293' order by id asc limit 5