6-Amino-3-(chloromethyl)-4-(difluoromethyl)pyridine-2-methanol
5-Amino-3-(aminomethyl)-2-(difluoromethyl)-4-(trifluoromethyl)pyridine
2-Amino-5-(chloromethyl)-3-(difluoromethyl)pyridine-4-methanol
2-Amino-4-(aminomethyl)-5-(difluoromethyl)pyridine-3-carboxaldehyde