Ethyl 2-bromo-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-6-carboxylate
5-Chloro-3-(difluoromethyl)-4-fluoro-2-(trifluoromethoxy)pyridine
Ethyl 2-bromo-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 3-bromo-6-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylate