| 英文名称: | | 1,4-benzenedicarboxylic acid, polymer with hexahydro-2h-azepin-2-one and .alpha | | .,.alpha.'-[(1-methylethylidene)di-4,1-phenylene]bis[.omega.-hydroxypo ly(oxy-1 | | ,2-ethanediyl)], block | | 1,4-benzenedicarboxylic acid, polymer withhexahydro-2h-azepin-2-one and.alpha.,.alpha.'-[(1-methylethylidene)di-4,1-phenylene]bis[.omega.-hydroxypo ly(oxy-1,2-ethanediyl)], block |
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