4-(Chloromethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-acetic acid
2-Bromo-4-(difluoromethyl)pyridine-3-carbonyl chloride
5-(Chloromethyl)-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-acetic acid
2-Bromo-3-(difluoromethyl)pyridine-4-carbonyl chloride