2-Amino-6-(bromomethyl)-3-(difluoromethyl)pyridine-4-methanol
2-Amino-3-(bromomethyl)-4-(difluoromethyl)pyridine-5-methanol
4-Amino-2-(bromomethyl)-3-(difluoromethyl)pyridine-5-acetonitrile
3-Amino-5-(bromomethyl)-2-(difluoromethyl)pyridine-4-acetonitrile