| 英文名称: | | 1,3-propanediol, 2-ethyl-2-[(2-propenyloxy)methyl]-, polymer with 1,3-diisocyan | | atomethylbenzene and alpha-hydro- omega -hydroxypoly(oxy-1,4-butanediyl) | | 1,3-propanediol, 2-ethyl-2-[(2-propenyloxy)methyl]-,polymer with 1,3-diisocyanatomethylbenzene and alpha-hydro- omega-hydroxypoly(oxy-1,4-butanediyl) |
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