| 英文名称: | | omega -hydroxy-, polymer with alpha-hydro- omega -hydroxypoly[oxy(methyl-1,2-e | | thanediyl)] and 1,1'-methylenebis[4-isocyanatobenzene] | | poly[oxy(methyl-1,2-ethanediyl)], alpha, alpha',alpha''-1,2,6-hexanetriyltris[ omega -hydroxy-, polymer withalpha-hydro- omega -hydroxypoly[oxy(methyl-1,2-ethanediyl)] and |
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