| abstract |
The invention discloses an immunomodulator, in particular to a class of compounds that inhibit IL-17A and its use as an immunomodulator in the preparation of medicines. The present invention discloses the use of a compound represented by formula I, or a stereoisomer thereof, or a pharmaceutically acceptable salt thereof, in the preparation of drugs for inhibiting IL-17A, for clinical screening and/or preparation of IL-17A Drugs for activity-related diseases offer a new option. |