4-(Chloromethyl)-3-(difluoromethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine
3-Cyano-5-methoxy-6-(trifluoromethoxy)pyridine-2-sulfonyl chloride
3-Chloro-4-(difluoromethyl)-2-nitropyridine-6-sulfonamide
Ethyl 3-amino-5-nitro-2-(trifluoromethoxy)pyridine-6-carboxylate