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