2-氯-5-氟-3-硝基吡啶-4-胺

1-[(1-acetyloxy-1-ethoxy)methyl]-4-chloro-7-fluoroimidazo[4,5-c]pyridine

2-氯-5-氟-3,4-吡啶二胺

乙酸二乙氧基甲酯