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