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