CAS号:135649-01-3

分子式: N/A  分子量: N/A

R100159

甲氧基聚乙二醇-琥珀酰亚胺酯,97% average Mw1000

R129530

甲氧基聚乙二醇-琥珀酰亚胺酯,97% average Mw2000

R129531

甲氧基聚乙二醇-琥珀酰亚胺酯,97% average Mw5000

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