2,4-Dihydroxy-3-(3,4,5-trichlorophenyl)-6-(trifluoromethyl)pyridine
2,4-Dihydroxy-3-(2,4,6-trichlorophenyl)-6-(trifluoromethyl)pyridine
2,4-Dihydroxy-3-(2,3,4-trichlorophenyl)-6-(trifluoromethyl)pyridine
3-Chloro-2-hydroxy-5-(3,4,5-trichlorophenyl)pyridine