Tetraethyl p-xylylenediphosphonate

1,4-xylenebis(diethylphosphonate) ; phosphonic acid,(p-phenylenedimethylene)di-, tetraethyl ester (7ci,8ci) ; nsc 203064 ; tetraethyl [1,4-phenylenebis(methylene)]bisphosphonate ; tetraethyl a,a'-p-xylenediphosphonate ; p-xylenebis(diethyl phosphonate) ; 1,4-bis(diethoxyphosphinylmethyl)benzene ; tetraethylp-xylylenediphosphonate,95% ; tetraethyl-p-xylylenebisphosphonate ; phosphonic acid,p,p'-[1,4-phenylenebis(methylene)]bis-, p,p,p',p'-tetraethyl ester ; p-xylylenebis(diethyl phosphonate) ; xylylenediphosphonicacidtetraethylester ; p-bis(diethoxyphosphono)xylene ; phosphonic acid,[1,4-phenylenebis(methylene)]bis-, tetraethyl ester (9ci) ; tetraethyl p-xylylenediphosphonate ; p-bis(diethylphosphono)xylene ; tetraethylp-xylylenebis(phosphonate)