1 C65 (2e)-N-hydroxy-3-{4-[(E)-phenyldiazenyl]phenyl}prop-2-enamide 1.000 2 OZW Phenylhydrazinyl phenylalanine 0.818 3 AZB 4-{(E)-[4-(propan-2-yl)phenyl]diazenyl}phenol 0.727