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