55314-29-9
4-甲基烟酸乙酯
→
~75%
6344-79-2
ethyl 4-methyl-1-oxidopyridin-1-ium-3-carboxylate
94015-05-1
4-甲基烟酸盐酸盐
583-58-4
3,4-二甲基吡啶
5444-01-9
3-氰基-4-甲基吡啶