Diethyl (p-Toluenesulfonyloxymethyl)phosphonate
(Carbomethoxymethyl)triphenylphosphonium bromide
[2,5,8,9-Tetraaza-1-phosphabicyclo[3.3.3]undecane-2,8,9-tris(1-methylethyl)]
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphorinane-2,4,6-trioxyde solution; Anhydride 1-propanephosphonique solution