fig4
From: HDAC inhibitors with potential to overcome drug resistance in castration-resistant prostate cancer
![HDAC inhibitors with potential to overcome drug resistance in castration-resistant prostate cancer](https://image.oaes.cc/a023a67a-8b6e-48b7-8917-2f7dea8e3f8d/4466.fig.4.jpg)
Figure 4. Structures of new HDAC inhibitors with promising activities against CRPC. HDAC: Histone deacetylase; CRPC: castration-resistant prostate cancer; AR: androgen receptor; EGFR: epidermal growth factor receptor; PI3K: phosphatidylinositol 3-kinase.