英文名称: | hexanedioic acid, polymer with butanediol, 1,2-ethanediamine, 3-hydroxy-2-(hydr | oxymethyl)-2-methylpropanoic acid and 1,1'-methylenebis[4-isocyanatobenzene] | hexanedioic acid, polymer with butanediol,1,2-ethanediamine, 3-hydroxy-2-(hydroxymethyl)-2-methylpropanoic acid |
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