2-Amino-4-(chloromethyl)-6-(difluoromethyl)pyridine-3-carboxylic acid
Ethyl 6-amino-2-(bromomethyl)-3-(difluoromethyl)pyridine-4-carboxylate
2-Amino-4-(chloromethyl)-3-(difluoromethyl)pyridine-6-carboxylic acid
Ethyl 2-amino-5-(bromomethyl)-4-(difluoromethyl)pyridine-3-carboxylate