2-Bromo-3-cyano-4-(trifluoromethoxy)pyridine-6-carboxaldehyde
5-Bromo-2-(chloromethyl)-3-cyano-6-(trifluoromethoxy)pyridine
4-Amino-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-carboxylic acid
3-Amino-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-6-acetonitrile