Ethyl 4-(difluoromethyl)-5-iodo-3-(trifluoromethoxy)pyridine-2-carboxylate
3-Iodo-6-nitro-2-(trifluoromethoxy)pyridine-4-sulfonamide
Ethyl 4-(difluoromethyl)-3-iodo-2-(trifluoromethoxy)pyridine-5-carboxylate
5-Iodo-2-nitro-4-(trifluoromethoxy)pyridine-3-sulfonamide