Methyl 5-chloro-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 3-chloro-2-(fluoromethyl)-4-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 4-chloro-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 2-chloro-6-(fluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxylate