triphenylphosphine
[3-(2-Nitro-phenyl)-ureidomethyl]-triphenyl-phosphonium; chloride
[3-(4-Methoxy-phenyl)-ureidomethyl]-triphenyl-phosphonium; chloride
[3-(4-Chloro-phenyl)-ureidomethyl]-triphenyl-phosphonium; iodide
Triphenyl-(3-p-tolyl-ureidomethyl)-phosphonium; chloride