Methyl 3-cyano-2-iodo-5-(trifluoromethoxy)pyridine-4-carboxylate
2-Bromo-6-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-acetic acid
5-(Difluoromethyl)-2-methoxy-3-nitropyridine-6-sulfonyl chloride
2-Chloro-6-(difluoromethyl)-4-iodopyridine-3-carboxamide