2-Methoxy-4-nitro-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
4-(Bromomethyl)-3-methoxy-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
4-(Bromomethyl)-6-methoxy-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
2-Methoxy-3-nitro-4-(trifluoromethoxy)-6-(trifluoromethyl)pyridine