Poly[oxy(phenylphosphinylidene)oxy-1,4-phenylenesulfonyl-1,4-phenylene];PolysulfonyldiphenylenePhenylphosphonate;Phenylphosphonicdichloride-4,4'-sulfonyldiphenolcopolymer,SRU;Phenylphosphonicdichloride-4,4'-sulfonyldiphenolpolymer,SRU;PSPPP;Poly(1,4-phenylenesulfonyl-1,4-phenylenephenylphosphonate);Poly(bisphenolsulfonephenylphosphonate)
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