3-Amino-5-(difluoromethyl)-6-iodopyridine-2-carboxaldehyde
3-Amino-2-(aminomethyl)-5-(difluoromethyl)-6-(trifluoromethyl)pyridine
3-Amino-6-(difluoromethyl)-4-nitropyridine-2-acetic acid
6-Amino-2-(aminomethyl)-4-(difluoromethyl)-3-(trifluoromethyl)pyridine