52550-45-5 73730-12-8 81209-76-9 Heptadecafluoro-N-poly(oxy-1,2-ethanediyl)-N-propyl-1-octanesulfonamide Poly(oxy-1,2-ethanediyl), alpha-(2-(((heptadecafluorooctyl)sulfonyl)propylamino)ethyl)-omega-hydroxy-