The invention provides compounds of Formula (I): wherein b, D, R1, R2, G, Ra and Rb have meanings given in the description, or pharmaceutically-acceptable salts or solvates, or pharmaceutically functional derivatives thereof. The invention further provides process for conjugating the compounds to carrier molecules and uses of such compounds and conjugates in the treatment of disease.
该发明提供了Formula (I)的化合物:其中b,D,R1,R2,G,Ra和Rb的含义如描述中所述,或其在药学上可接受的盐或溶剂,或其药学功能衍
生物。该发明还提供了将这些化合物与载体分子结合的方法以及在治疗疾病中使用这些化合物和结合物的方法。