| triphenylphosphoranylidene-2-propanon |
| triphenylphosphoranylidene-2-propanone |
| 1-triphenylphosphoranylidene-2-propanone |
| acetylmethylenetriphenylphosphorane |
| 1-(Triphenylphosphoranylidene)-2-propanone |
| Acetylmethylene-triphenylphosphorane |
| (Acetylmethylene)triphenylphosphorane |
