3-Cyano-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine-4-methanol
6-Cyano-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-methanol
Methyl 5-cyano-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-acetate
4-Hydroxy-2-iodo-6-(trifluoromethoxy)pyridine-3-carboxylic acid