6-(Chloromethyl)-3-fluoro-4-(trifluoromethoxy)pyridine-2-carboxylic acid
2-(Difluoromethyl)-5-hydroxy-4-methoxy-3-(trifluoromethoxy)pyridine
6-(Difluoromethyl)-4-hydroxy-2-methoxy-3-(trifluoromethoxy)pyridine
2-(Chloromethyl)-5-fluoro-3-(trifluoromethoxy)pyridine-4-carboxylic acid