3-Amino-5-(difluoromethyl)-4-nitropyridine-2-carboxaldehyde
2-Amino-6-(aminomethyl)-5-(difluoromethyl)pyridine-3-acetic acid
5-Amino-4-(difluoromethyl)-2-nitropyridine-3-carboxaldehyde
Ethyl 4-amino-3-(aminomethyl)-2-(difluoromethyl)pyridine-6-acetate