| 英文名称: | | beta-alanine, n-(2-aminoethyl)-, polymer with 1,4-butanediol, 1,6-diisocyanato | | hexane, 1,3-diisocyanatomethylbenzene, 2,2-dimethyl-1,3-propanediol, hexanedioi | | c acid and 1,6-hexanediol | | beta-alanine, n-(2-aminoethyl)-, polymer with1,4-butanediol, 1,6-diisocyanatohexane, 1,3-diisocyanatomethylbenzene,2,2-dimethyl-1,3-propanediol, hexanedioic acid and 1,6-hexanediol |
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