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