Methyl 5-cyano-3-nitro-2-(trifluoromethoxy)pyridine-4-acetate
5-Chloro-2-(difluoromethyl)-3-methoxy-4-(trifluoromethoxy)pyridine
Methyl 6-cyano-2-iodo-3-(trifluoromethoxy)pyridine-4-carboxylate
2-Cyano-3-nitro-6-(trifluoromethoxy)pyridine-5-sulfonyl chloride