6-Amino-2-(chloromethyl)-4-cyano-3-(difluoromethyl)pyridine
2-Bromo-4-(chloromethyl)-3-(difluoromethyl)-5-nitropyridine
2-(Difluoromethyl)-3-methoxy-4-nitropyridine-6-sulfonyl chloride
Methyl 2-(bromomethyl)-6-chloro-3-(trifluoromethoxy)pyridine-4-carboxylate