abstract |
The present invention provides a heterocyclic compound serving as a Syk inhibitor and/or a Syk-HDAC dual inhibitor. Specifically, the present invention provides a compound represented by formula (I), wherein each group is defined by a description in the specification. The compound in the present invention has Syk inhibitory activity and/or Syk-HDAC dual-inhibitory activity, thereby being capable of treating diseases related to Syk and/or HDAC activity or expression level. |