3-Bromo-4-(but-3-en-1-yl)pyridine
6-(Chloromethyl)-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-carbonyl chloride
2-Hydroxy-4-nitropyridine-n-oxide
3-Cyano-4-fluoropicolinoyl chloride
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