聚乙二醇550单甲醚;聚乙二醇500单甲醚;聚乙二醇甲醚;聚乙二醇5000单甲醚;甲氧基聚乙二醇;
Poly(oxy-1,2-ethanediyl), α-methyl-ω-hydroxy- Polymer;Methoxypolyethylene glycol;
陕西缔都医药化工有限公司
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