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