1-Butanesulfonamide, N,N'-(phosphinicobis(oxy-2,1-ethanediyl))bis(N-ethyl-1,1,2,2,3,3,4,4,4-nonafluoro- 67939-91-7 Bis(2-(ethyl(nonafluorobutanesulphonyl)amino)ethyl) hydrogen phosphate EINECS 267-864-0 N,N'-(Phosphinicobis(oxy-2,1-ethanediyl))bis(N-ethyl-1,1,2,2,3,3,4,4,4-nonafluoro-1-butanesulfonamide)