Methyl 2-(bromomethyl)-3-(difluoromethyl)-5-(trifluoromethyl)pyridine-6-acetate
3-(Bromomethyl)-4-(difluoromethyl)-5-(trifluoromethyl)pyridine-2-acetic acid
3-(Bromomethyl)-6-(difluoromethyl)-2-(trifluoromethyl)pyridine-4-acetic acid
3-(Bromomethyl)-6-(difluoromethyl)-4-(trifluoromethyl)pyridine-2-acetic acid