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