5-Bromo-2-cyano-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
4-Cyano-2-(difluoromethyl)-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
2-Amino-6-methoxy-3-(trifluoromethoxy)pyridine-5-carboxaldehyde
4-Methoxy-3-methyl-2-(trifluoromethoxy)pyridine-6-carboxylic acid