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