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