5-(Difluoromethyl)-4-hydroxy-2-iodopyridine-3-carboxamide
6-(Chloromethyl)-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-2-acetic acid
2-Bromo-3-(difluoromethyl)-5-nitro-6-(trifluoromethoxy)pyridine
2-(Difluoromethyl)-4-nitropyridine-5-sulfonyl chloride