| 英文名称: | | 2-butene-1,4-diol, 2,3-dibromo-, polymer with 2,4-diisocyanato-1-methylbenzene | | and alpha-hydro- omega -hydroxypoly[oxy(methyl-1,2-ethanediyl)] | | 2-butene-1,4-diol, 2,3-dibromo-, polymer with2,4-diisocyanato-1-methylbenzene and alpha-hydro- omega-hydroxypoly[oxy(methyl-1,2-ethanediyl)] |
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