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聚丙二醇二缩水甘油醚,26142-30-3,average Mn~380
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聚丙二醇二缩水甘油醚,26142-30-3,average Mn~500
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乙二胺封端的聚乙烯亚胺,25987-06-8,average Mw ~800,average Mn ~600
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聚乙二醇,25322-68-3,average Mn 1500
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聚乙二醇,25322-68-3,average Mn 800
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聚乙二醇,25322-68-3,average Mn 10000
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聚乙二醇,25322-68-3,average Mn 8000
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甲基乙烯基醚-马来酸酐共聚物,9011-16-9,average Mn ~80,000
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聚乙二醇,25322-68-3,average Mn 300
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聚乙二醇,25322-68-3,average Mn 20000
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