题目内容
三氯化铁-铁氰化钾反应的条件是
2021-08-23
A.内酯环
B.酚羟基
C.芳环
D.萘环
E.以上都不是
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku_ where sourceid='20028' and id < 1739269 and id<>'1739269' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='20028' and id > 1739269 and id<>'1739269' order by id asc limit 5