Ethyl 2-(bromomethyl)-3-(difluoromethyl)-5-(trifluoromethyl)pyridine-6-carboxylate
Ethyl 2-(bromomethyl)-3-(difluoromethyl)-4-(trifluoromethyl)pyridine-6-carboxylate
Methyl 3-(bromomethyl)-5-(difluoromethyl)-4-(trifluoromethyl)pyridine-2-carboxylate
Methyl 3-(bromomethyl)-5-(difluoromethyl)-2-(trifluoromethyl)pyridine-4-carboxylate