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