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