3-Nitro-6-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-carboxaldehyde
3,6-Diiodo-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
4-Nitro-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-2-carboxaldehyde
2,3-Diiodo-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine