4-(Difluoromethyl)-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
4-(Difluoromethyl)-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
2,4-Dibromo-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
2,4-Dibromo-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine