CAS号:67665-18-3

分子式: N/A  分子量: N/A

R106418

甲氧基聚乙二醇-羧基,97% average Mw2000

R106419

甲氧基聚乙二醇-羧基,97% average Mw1000

R106420

甲氧基聚乙二醇-羧基,97% average Mw5000

R106421

甲氧基聚乙二醇-羧基,97% average Mw10000

R198196

甲氧基聚乙二醇-羧基,97% average Mw20000

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