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