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
5-Amino-2-(difluoromethyl)-3-nitropyridine-4-acetic acid