4-Amino-2-(chloromethyl)-3-(difluoromethyl)pyridine-5-methanol
3-Amino-5-(chloromethyl)-2-(difluoromethyl)pyridine-4-methanol
3-Amino-2-(chloromethyl)-4-(difluoromethyl)pyridine-5-methanol
2-Amino-5-(difluoromethyl)-4-(trifluoromethyl)pyridine-3-acetonitrile