2-溴-5-氯-3-硝基吡啶

7-氯咪唑并[1,2-a]吡啶-3-羧酸乙酯

N-(5-chloropyridin-2-yl)-2-hydroxybenzamide

7-chloroimidazo[1,2-a]pyridine-3-carboxylic acid

2,5-二氯吡啶