2,6-二氯吡啶-3-甲腈

2-氯-6-羟基烟酸

2,6-二氯-3-乙酰基吡啶

2,4,7-三氯吡啶并[2,3-d]嘧啶

methyl 5-bromo-2-methoxy-6-(methylamino)pyridine-3-carboxylate