Methyl 2-(chloromethyl)-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-5-acetate
3-(Bromomethyl)-6-(difluoromethyl)pyridine-2-carboxylic acid
2-Amino-6-cyano-3-(difluoromethyl)-5-nitropyridine
4-(Difluoromethyl)-2-methoxy-5-nitropyridine-3-sulfonyl chloride