Ethyl 2-chloro-6-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-carboxylate
4-(Chloromethyl)-3-cyano-2-nitro-6-(trifluoromethoxy)pyridine
Methyl 3-cyano-2-methyl-4-(trifluoromethoxy)pyridine-6-acetate
Ethyl 6-chloro-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxylate