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