6-Bromo-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
Ethyl 4-cyano-2-(difluoromethyl)pyridine-5-acetate
Methyl 4-amino-6-(difluoromethyl)-3-fluoropyridine-2-carboxylate
Methyl 4-amino-5-methyl-2-(trifluoromethoxy)pyridine-3-carboxylate