Ethyl 2-amino-6-(aminomethyl)-5-(difluoromethyl)pyridine-3-acetate
3-Amino-6-(difluoromethyl)-2-nitropyridine-4-methanol
Ethyl 2-amino-4-(aminomethyl)-6-(difluoromethyl)pyridine-3-acetate
Methyl 2-amino-5-(difluoromethyl)-3-nitropyridine-6-carboxylate