Synonyms: Phosphorus(1+),[P,P-diphenyl-P-(phenylmethyl)phosphine imidato-N]diphenyl(phenylmethyl)-,chloride, (T-4)-; Phosphorus(1+), [P,P-diphenyl-P-(phenylmethyl)phosphineimidato-kN]diphenyl(phenylmethyl)-,chloride (9CI); Benzene, methyl-, phosphorus complex; Phosphine imide,P,P-diphenyl-P-(phenylmethyl)-, phosphorus complex;Bis(benzyldiphenylphosphine)iminium chloride;Bis(benzyldiphenylphosphoranediyl)ammonium chloride