Methyl 3-iodo-2-nitro-4-(trifluoromethoxy)pyridine-6-carboxylate
2-Iodo-3-nitro-4-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
3-(Difluoromethyl)-6-iodo-2-nitro-5-(trifluoromethoxy)pyridine
4-(Difluoromethyl)-3-iodo-6-nitro-2-(trifluoromethoxy)pyridine