英文别名(E)-1,2-Bis(diphenylphosphanyl)ethene; trans-1,2-bis(diphenylphosphino)ethylene; trans-1,2-bis(diphenylphosphanyl)ethylene; trans-vinylenebis[diphenylphosphine]; 1,2-bis(diphenylphosphino)ethylene; [(E)-Vinylene]bis(diphenylphosphine); trans-1,2-ethenediylbis(diphenylphosphine); 1,2-bis(diphenylphosphine)ethylene; (E)-ethene-1,2-diylbis(diphenylphosphine); trans-dppen; [(E)-1,2-Ethenediyl]bis(diphenylphosphine) 
