(Acetonylidenetriphenyl)phosphorane (Acetylmethylene)triphenylphosphine (Acetylmethylene)triphenylphosphorane (Triphenylacetylmethylene)phosphorane 1-(Triphenylphosphoranylidene)-2-propanone 1-(Triphenylphosphoranylidene)acetone 1439-36-7 2-PROPANONE, TRIPHENYLPHOSPHORANYLIDENE- 2-Propanone, (triphenylphosphoranylidene)- 2-Propanone, 1-(triphenylphosphoranylidene)- (8CI)(9CI) 4-16-00-00977 (Beilstein Handbook Reference) AI3-63066 BRN 0750077 EINECS 215-878-2 NSC 407394 Triphenylphosphoranylidene-2-propanone