Ethyl 3-amino-5-(difluoromethyl)-4-(trifluoromethyl)pyridine-2-acetate
4-Bromo-2-chloro-3-(difluoromethyl)pyridine-5-acetonitrile
3-Bromo-2-chloro-6-(difluoromethyl)pyridine-5-carboxaldehyde
6-Bromo-4-chloro-3-(difluoromethyl)pyridine-2-carboxylic acid