4-(Difluoromethyl)-5-iodo-3-methyl-2-(trifluoromethoxy)pyridine
6-Hydroxy-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-carboxylic acid
2-Hydroxy-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-4-carboxylic acid
2-Hydroxy-6-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-carboxylic acid