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