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