| 英文名称: | | 2-butene-1,4-diol, 2,3-dibromo-, polymer with 1,3-diisocyanatomethylbenzene and | | .alpha.-hydro-.omega.-hydroxypoly[oxy(methyl-1,2-ethanediyl)] | | 2-butene-1,4-diol, 2,3-dibromo-, polymer with1,3-diisocyanatomethylbenzene and.alpha.-hydro-.omega.-hydroxypoly[oxy(methyl-1,2-ethanediyl)] |
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