题目内容
水溶性维生素C的四个光学异构体中活性最强的是
2021-10-19
A.D-(-)-抗坏血酸
B.D-(+)-抗坏血酸
C.L-(-)-抗坏血酸
D.L-(+)-抗坏血酸
E.同样强度
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='26085' and id < 2186749 and id<>'2186749' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26085' and id > 2186749 and id<>'2186749' order by id asc limit 5