abstract |
The present invention provides a compound represented by the formula (I). The present invention also relates to the use in the preparation of a drug composition comprising a compound of formula (I) and an indoleamine-2,3-dioxygenase (IDO) inhibitor drug of the compound. The compound prepared by the present invention has a clear inhibitory effect on IDO protease and has stable metabolism in the body. The compounds of the present invention or drug compositions thereof can be used in the preparation of IDO inhibitor drugs, which are drugs for preventing and / or treating diseases having pathological features of the tryptophan metabolic pathway mediated by IDO. It can also be used for preparation. |