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