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