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