The invention provides compounds of formual (I): wherein R1-R7 and W have any of the values defined in the specification, and salts thereof. The compounds have good solubility and are useful for treating bacterial infections.
[EN] POLYETHYLENE GLYCOL CONJUGATE MEDICAMENT, PREPARATION METHOD THERFOR AND USE THEREOF<br/>[FR] MÉDICAMENT CONJUGUÉ DE POLYÉTHYLÈNE GLYCOL, SON PROCÉDÉ DE PRÉPARATION ET SON UTILISATION<br/>[ZH] 一种聚乙二醇偶联药物、其制备方法及用途