(Dimethylhydrazono)bis(diphenylphosphine) 1,1-Bis(diphenylphosphino)-2,2-dimethylhydrazine 1,1-Dimethyl-2,2-bis(diphenylphosphino)hydrazine 17239-58-6 BRN 2952861 Hydrazine, 1,1-bis(diphenylphosphino)-2,2-dimethyl- NSC 117298 Phosphine, (dimethylhydrazono)bis(diphenyl- Phosphine, (dimethylhydrazono)bis(diphenyl- (8CI)