The present invention relates to fused heterocyclic derivatives, processes for their preparation and their use in medicine. Specifically, the present invention relates to a novel derivative represented by the formula (I'), or its pharmaceutically acceptable salt thereof, a pharmaceutical composition containing the derivative or its pharmaceutically acceptable salt thereof, and the method for preparing the derivative and its pharmaceutically acceptable salt thereof. The present invention also relates to the use of the derivative and its pharmaceutically acceptable salt thereof, or a pharmaceutical composition containing the derivative and its pharmaceutically acceptable salt thereof in the preparation of medicines, in particularly as IDO inhibitor medicines, for treating and/or preventing cancers. Wherein each substituent of the formula (I') is the same as defined in the specification.
本发明涉及融合杂环衍
生物、其制备工艺及其在医药中的用途。具体而言,本发明涉及一种由式(I')表示的新型衍
生物或其药学上可接受的盐、一种含有该衍
生物或其药学上可接受的盐的药物组合物,以及制备该衍
生物及其药学上可接受的盐的方法。本发明还涉及该衍
生物及其药学上可接受的盐,或含有该衍
生物及其药学上可接受的盐的药物组合物在制备治疗和/或预防癌症的药物(尤其是
IDO 抑制剂药物)中的用途。其中,式(I')的各取代基与说明书中定义的相同。