The invention provides an opioid agonist compound that is chemically modified by covalent attachment of a water-soluble oligomer. The compound of the invention, when administered by any of a number of administration routes, exhibits characteristics that are different from those of the opioid agonist compound not attached to the water-soluble oligomer.
本发明提供了一种通过共价连接
水溶性低聚物进行
化学修饰的阿片类激动剂化合物。本发明的化合物在通过多种给药途径中的任何一种给药时,会表现出不同于未附着
水溶性低聚物的阿片类受体激动剂化合物的特性。