5-Bromo-3-(bromomethyl)-2-chloro-4-(difluoromethyl)pyridine
4-Bromo-3-chloro-2-(difluoromethyl)-6-(trifluoromethyl)pyridine
3-Bromo-5-(bromomethyl)-4-chloro-2-(difluoromethyl)pyridine
4-Amino-5-(difluoromethyl)-2-(trifluoromethyl)pyridine-3-acetic acid