[2-(2-氯-5-硝基吡啶-4-基)乙烯基]二甲基胺

1-(5-amino-2-chloropyridin-4-yl)ethanone

1-(2-chloro-5-nitropyridin-4-yl)ethanone

N-(6-氯-4-甲基-3-吡啶)乙酰胺

ethyl 3-(2-chloro-5-nitropyridin-4-yl)-2-oxopropanoate