2-Hydroxy-4-(2,3,4-trichlorophenyl)-6-(trifluoromethyl)pyridine
2-Hydroxy-4-(2,3,4-trichlorophenyl)-5-(trifluoromethyl)pyridine
2-Hydroxy-4-(2,3,4-trichlorophenyl)-3-(trifluoromethyl)pyridine
2-Hydroxy-3-(3,4,5-trichlorophenyl)-6-(trifluoromethyl)pyridine