4-arm-PEG-Nor
四臂-聚乙二醇-NOR;四臂-聚乙二醇-降冰片烯MW2000;四臂-聚乙二醇-降冰片烯MW2000;四臂-聚乙二醇-降冰片烯MW2000;四臂-聚乙二醇-降冰片烯MW2000;四臂-聚乙二醇-降冰片烯MW2000;四臂-聚乙二醇-降冰片烯MW5000;四臂-聚乙二醇-降冰片烯MW5000;四臂-聚乙二醇-降冰片烯MW5000;四臂-聚乙二醇-降冰片烯MW5000;四臂-聚乙二醇-降冰片烯MW5000;四臂-聚乙二醇-降冰片烯MW10000;四臂-聚乙二醇-降冰片烯MW10000;四臂-聚乙二醇-降冰片烯MW10000;四臂-聚乙二醇-降冰片烯MW10000;四臂-聚乙二醇-降冰片烯MW10000;四臂-聚乙二醇-降冰片烯MW20000;四臂-聚乙二醇-降冰片烯MW20000;四臂-聚乙二醇-降冰片烯MW20000;四臂-聚乙二醇-降冰片烯MW20000;四臂-聚乙二醇-降冰片烯MW20000;4-臂聚乙二醇降冰片烯;4-臂聚乙二醇降冰片烯;4-臂聚乙二醇降冰片烯;4-臂聚乙二醇降冰片烯;4-臂聚乙二醇降冰片烯
C45H64N4O8(C2H4O)N(C2H4O)N(C2H4O)N(C2H4O)N