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