4-(Bromomethyl)-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-acetic acid
5-(Bromomethyl)-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-acetic acid
3-(Bromomethyl)-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine-5-carbonyl chloride
3-(Bromomethyl)-5-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-acetic acid