| abstract |
The present invention provides a compound represented by formula (I). The present invention also relates to a pharmaceutical composition containing the compound of formula (I) and use of the compound in the preparation of an indoleamine-2,3-dioxygenase (IDO) inhibitor drug. The compound prepared in the present invention has an obvious inhibition effect on IDO protease, and metabolizes stably in the body. The present compound or pharmaceutical composition thereof can be used for preparing an IDO inhibitor drug, and can also be used for preparing a drug for preventing and/or treating diseases having IDO-mediated tryptophan metabolic pathway pathological features. |