Methyl 6-cyano-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylate
6-Fluoro-4-hydroxy-2-methyl-3-(trifluoromethoxy)pyridine
Methyl 2-cyano-4-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-carboxylate
6-(Difluoromethyl)-3-fluoro-2-(trifluoromethoxy)pyridine-4-carboxylic acid