Synonyms: Benzenedicarbonylchloride-m-phenylenediamine polymer, SRU; Diphenyl isophthalate-diphenylterephthalate-m-phenylenediamine copolymer, SRU; Isophthalic acidchloride-m-phenylenediamine-terephthalic acid chloride copolymer, SRU;Isophthalic acid-m-phenylenediamine-terephthalic acid chloride copolymer, SRU;Isophthalic acid-m-phenylenediamine-terephthalic acid copolymer, SRU;Isophthalic acid-m-phenylenediamine-terephthalic acid polymer, SRU;Isophthaloyl chloride-m-phenylenediamine-terephthaloyl chloride copolymer, SRU;Isophthaloyl chloride-m-phenylenediamine-terephthaloyl chloride polymer, SRU;Isophthaloyl dichloride-m-phenylenediamine-terephthaloyl dichloride copolymer,SRU; Poly(imino-m-phenyleneiminocarbonylphenylenecarbonyl);m-Phenyleneisophthalamide-m-phenyleneterephthalamide polymer, SRU