33831-56-0
ethyl 4-hydroxy-2,6-dimethylpyridin-3-carboxylate
→
~89%
33259-21-1
4-羟基-2,6-二甲基烟酸
3265-58-5
2,6-dimethyl-4-oxopyran-3-carboxylic acid
~82%
70271-80-6
4-氯-2,6-二甲基吡啶-3-羧酸乙酯
771-03-9
脱氢乙酸
626-34-6
3-氨基巴豆酸乙酯