| Poly[oxy-1,2-ethanediyloxy-1,2-ethanediyloxy-1,2-ethanediyloxy-1,4-phenyleneimino(2-acetyl-1-oxo-1-ethanyl-2-ylidene)-2-hydrazinyl-1-ylidene-1,4-phenylenesulfonyl-1,4-phenylene-1-hydrazinyl-2-ylidene(1-acetyl-2-oxo-2-ethanyl-1-ylidene)imino-1,4-phenylene] |
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