2-Methoxy-3-nitro-6-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
4-(Difluoromethyl)-5-methoxy-2-nitro-3-(trifluoromethoxy)pyridine
5-Iodo-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-carboxaldehyde
3-Iodo-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-4-carboxaldehyde