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