The present invention provides a compound consisting essentially of the following elements: one or more reactive groups; and two or more cross-linked antibodies or fragments thereof; characterised in that the or each reactive group is suitable for attaching an effector molecule but does not react with any of the antibodies or fragments thereof.
                            本发明提供了一种化合物,其基本成分包括以下元素:一个或多个反应基团;以及两个或更多交联的
抗体或其片段;其特征在于每个反应基团适用于连接效应分子,但不与任何
抗体或其片段反应。