Ethyl 4-(bromomethyl)-3-(difluoromethyl)-2-(trifluoromethyl)pyridine-5-carboxylate
6-(Bromomethyl)-4-(difluoromethyl)-2-(trifluoromethyl)pyridine-3-acetic acid
6-(Bromomethyl)-4-(difluoromethyl)-3-(trifluoromethyl)pyridine-2-acetic acid
2-(Bromomethyl)-4-(difluoromethyl)-3-(trifluoromethyl)pyridine-6-acetic acid