3-Amino-5-(difluoromethyl)-2-(trifluoromethyl)pyridine-4-acetic acid
4-Amino-3-(difluoromethyl)-2-(trifluoromethyl)pyridine-6-acetic acid
2-(Aminomethyl)-5-bromo-3-chloro-6-(difluoromethyl)pyridine
4-Amino-2-(difluoromethyl)-6-(trifluoromethyl)pyridine-3-acetic acid