3-Amino-5-(difluoromethyl)-2-iodopyridine-6-sulfonamide
3-Amino-4-(difluoromethyl)-6-iodopyridine-2-sulfonamide
5-Amino-3-(aminomethyl)-4-(difluoromethyl)-2-(trifluoromethyl)pyridine
3-Amino-5-(aminomethyl)-2-(difluoromethyl)-4-(trifluoromethyl)pyridine