4-Amino-2-(difluoromethyl)-3-(trifluoromethyl)pyridine-6-acetic acid
4-Bromo-3-chloro-2-(difluoromethyl)pyridine-6-carbonyl chloride
3-Bromo-6-(bromomethyl)-2-chloro-4-(difluoromethyl)pyridine
4-Bromo-2-chloro-3-(difluoromethyl)pyridine-6-carbonyl chloride