3-Chloro-4-nitro-6-(trifluoromethoxy)pyridine-2-carbonyl chloride
Ethyl 4-amino-3-(difluoromethyl)-5-iodopyridine-2-carboxylate
Methyl 2-bromo-4-nitro-3-(trifluoromethoxy)pyridine-5-carboxylate
2-Amino-5-(difluoromethyl)-3-nitro-4-(trifluoromethyl)pyridine