1,2-Diphenylhydrazine 122-66-7 Benzene, 1,1'-hydrazobis- Benzene, hydrazodi- Hydrazine, 1,2-diphenyl- Hydrazobenzen Hydrazobenzene N,N'-Bianiline N,N'-Diphenylhydrazine NCI-C01854 NSC3510 WLN: RMMR