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