37669-78-6
2,4-二甲基吡啶-3-甲酸乙酯
→
~97%
405058-67-5
ethyl 2,4-dimethyl-1-oxidopyridin-1-ium-3-carboxylate
372156-99-5
2,4-二甲基吡啶-3-羧酸N-氧化物
630082-81-4
6-chloro-2,4-dimethylpyridine-3-carboxylic acid
54453-94-0
6-氯-2,4-二甲基烟酸乙酯