| Poly[oxy(methyl-1,2-ethanediyl)oxy(methyl-1,2-ethanediyl)oxy(methyl-1,2-ethanediyl)oxy(methyl-1,2-ethanediyl)oxy(methyl-1,2-ethanediyl)oxy(methyl-1,2-ethanediyl)oxy(methyl-1,2-ethanediyl)oxycarbonyl-1,4-phenyleneoxycarbonyl-1,4-phenylenecarbonyloxy-1,4-ph |
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