2-Chloro-3-(difluoromethyl)-5-fluoropyridine-4-acetic acid
4-(Bromomethyl)-5-chloro-2-(difluoromethyl)pyridine-3-acetic acid
2-Chloro-4-(difluoromethyl)-3-nitro-5-(trifluoromethyl)pyridine
Ethyl 2-(bromomethyl)-5-chloro-4-(difluoromethyl)pyridine-3-acetate