Ethyl 4-amino-2-(chloromethyl)-6-(difluoromethyl)pyridine-3-carboxylate
2-Amino-6-(chloromethyl)-4-(difluoromethyl)pyridine-3-methanol
Ethyl 3-amino-5-(chloromethyl)-6-(difluoromethyl)pyridine-2-carboxylate
2-Amino-3-(chloromethyl)-6-(difluoromethyl)pyridine-5-methanol