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