6-(Aminomethyl)-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-acetic acid
2-(Aminomethyl)-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-acetic acid
2-(Aminomethyl)-4-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-acetic acid
2-Methyl-4-nitro-3-(trifluoromethoxy)pyridine-6-acetic acid