2-Cyano-3-(difluoromethyl)-4-methoxy-5-(trifluoromethoxy)pyridine
5-(Aminomethyl)-2-cyano-3-methoxy-6-(trifluoromethoxy)pyridine
4-Cyano-3-(fluoromethyl)-2-methoxy-5-(trifluoromethoxy)pyridine
4-(Aminomethyl)-2-cyano-6-methoxy-3-(trifluoromethoxy)pyridine