AMMONIUM C6-16 PERFLUOROALKYLETHYL PHOSPHATE

Poly(difluoromethylene), α,α'-[phosphinicobis( oxy-2,1-ethanediyl)]bis[ω-fluoro-, ammonium salt

Poly(difluoromethylene), .alpha.,.alpha.-phosphinicobis(oxy-2,1-ethanediyl)bis.omega.-fluoro-, ammonium salt