Synonyms: Poly[oxy-1,2-ethanediyl[[4-[2-[4-[[2-(benzoyloxy)ethyl]sulfonyl]phenyl]diazenyl]phenyl]imino]-1,2-ethanediyloxycarbonyl-1,4-phenylene-1-pentyne-1,5-diyl[[4-[2-[2-[2-(benzoyloxy)ethoxy]-4-nitrophenyl]diazenyl]phenyl]imino]-4-pentyne-1,5-diyl-1,4-phenylenecarbonyl]