(CYANOMETHYLENE)TRIPHENYLPHOSPHORANE;(TRIPHENYLPHOSPHORANYLIDENE)ACETONITRILE;Cyanomethylene triphenylphosphorane, min. 97 %;Triphenyl(cyanomethylene)phosphorane;(Triphenylphosphoranylidene)acetonitrile,96%;(Triphenylphosphoranylidene)acetonitrile,(Cyanomethylene)triphenylphosphorane