Methyl 4-chloro-2-nitro-6-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 4-chloro-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-2-carboxylate
3-Chloro-4-(chloromethyl)-6-nitro-2-(trifluoromethoxy)pyridine
Methyl 3-chloro-5-nitro-6-(trifluoromethoxy)pyridine-2-carboxylate