Ethyl 2-bromo-4-cyano-5-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 6-bromo-2-methoxy-3-(trifluoromethoxy)pyridine-4-carboxylate
2-Iodo-4-nitro-5-(trifluoromethoxy)pyridine-3-sulfonamide
Methyl 5-cyano-2-(difluoromethyl)-3-nitropyridine-6-acetate