| 英文名称: | | hexanedioic acid, polymer with 2-aminoethanol, 1,3-diisocyanatomethylbenzene, 1 | | ,2-ethanediol and 2-ethyl-2-(hydroxymethyl)-1,3-propanediol | | hexanedioic acid, polymer with 2-aminoethanol,1,3-diisocyanatomethylbenzene, 1,2-ethanediol and2-ethyl-2-(hydroxymethyl)-1,3-propanediol |
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