67367-33-3
4-羟基-6-甲基烟酸
→
~56%
1060805-95-9
2-氯-6-甲基吡啶-3-甲酸
143806-23-9
methyl 6-methyl-4-phenylpyridine-3-carboxylate
886372-05-0
4-氯-6-甲基烟酸甲酯