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