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