| Poly[oxy-1,2-ethanediyloxy-1,2-ethanediyloxy-1,2-ethanediyloxy-1,2-ethanediyloxy(3-methyl-1,4-phenylene)imino(3-oxo-1-propene-1,3-diyl)-1,4-phenyleneoxy-1,2-ethanediyloxy-1,2-ethanediyloxy-1,2-ethanediyloxy-1,4-phenylene(1-oxo-2-propene-1,3-diyl)imino(2-m |
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