2959-74-2 4-16-00-01024 (Beilstein Handbook Reference) BRN 2809334 Benzyldiphenylphosphine oxide Diphenyl(phenylmethyl)phosphine oxide Diphenylbenzylphosphine oxide Phosphine oxide, benzyldiphenyl- (6CI,7CI,8CI) Phosphine oxide, diphenyl(phenylmethyl)-