| 62879-54-3 | Phosphonium, [2-oxo-2-[[(phenylamino)carbonyl]amino]ethyl]triphenyl-, bromide | C27H24N2O2P.Br |
| 62879-55-4 | Phosphonium, [2-[(aminocarbonyl)amino]-1-iodo-2-oxoethyl]triphenyl-, bromide | C21H19IN2O2P.Br |
| 62879-56-5 | Phosphonium, [2-[(aminocarbonyl)amino]-1-methyl-2-oxoethyl]triphenyl-, iodide | C22H22N2O2P.I |