| Poly[oxy(2-cyclohexyl-3-methyl-1,4-phenylene)(1-methylethylidene)-1,4-phenylene(1-methylethylidene)(3-cyclohexyl-2-methyl-1,4-phenylene)oxy(3-hydroxy-1,4-phenylene)iminocarbonyl[5-(1,1-dimethylethyl)-1,3-phenylene]carbonylimino(2-hydroxy-1,4-phenylene)] |
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