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