[3-[Ethyl[(heptadecafluorooctyl)sulfonyl]amino]propyl]phosphonic acid diethyl ester

N-(3-diethoxyphosphorylpropyl)-N-ethyl-1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-octane-1-sulfonamide