6-Cyano-2-(difluoromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine
2-Cyano-6-(difluoromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine
Methyl 6-cyano-4-methoxy-3-(trifluoromethoxy)pyridine-2-acetate
2-Chloro-3-hydroxy-6-methyl-5-(trifluoromethoxy)pyridine