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