cis-1,2-bis-(Diphenylphosphino)ethylene

cis-1,2-bis(diphenylphosphine)ethylene ; cis-1,2-bis(diphenylphosphino)ethene ; cis-vinylenebis[diphenylphosphine] ; dppen ; phosphine,1,1'-(1z)-1,2-ethenediylbis[1,1-diphenyl- ; cis-bis(diphenylphosphino)ethylene ; 1,2-bis(diphenylphosphino) ethylene ; [(z)-vinylene]bis(diphenylphosphine) ; cis-1,2-bis(diphenylphosphine)ethene ; cis-1,2-bis(diphenylphosphino)ethylene ; (z)-1,2-bis(diphenylphosphino)ethylene ; phosphine, vinylenebis[diphenyl-, (z)- (8ci) ; phosphine,(1z)-1,2-ethenediylbis[diphenyl- (9ci) ; phosphine, 1,2-ethenediylbis[diphenyl-,(z)- ; (z)-1,2-bis(diphenylphosphino)ethene