2-(Triphenylphosphoranylidene)acetamide 38821-11-3 4-16-00-00977 (Beilstein Handbook Reference) ACETAMIDE, 2-(TRIPHENYLPHOSPHORANYLIDENE)- BRN 0803830 Phosphonium, triphenyl-, carbamoylmethylide (8CI) Triphenylphosphonium carbamoylmethylide