| BCR | B-cell receptor |
| BTK | Bruton’s kinase |
| BTKIs | BTK inhibitors |
| CLL | lymphocytic leukemia |
| CIA | collagen-induced arthritis |
| DPPY | diphenylaminopyrimidine |
| EGFR | epidermal growth factor receptor |
| FAK | focal adgesion kinase |
| FBDD | fragment-based drug discovery |
| cGVHD | chronic graft versus host disease |
| MZL | marginal zone lymphoma |
| MCL | mantle cell lymphoma |
| MS | multiple scherosis |
| NSCLC | non-small cell lung cancer |
| PMDA | Pharmaceuticals and Medical Devices Agency |
| PH | pleckstrin homology domain |
| Pho-DPYYs | diphenylpyrimidine derivatives |
| PLCγ2 | phospholipase γ2 |
| PK | pharmacokinetic |
| PROTAC | proteolysis-targeting chimera compounds |
| PRR | proline-rich regions |
| RA | rheumatoid arthritis |
| RMS | Relapsing Multiple Sclerosis |
| ROS | reactive oxygen species |
| SBD | structure-based design |
| SLL | small lymphocytic lymphoma |
| SH2/SH3 | Src homology 2/3 domain |
| SLE | Systemic Lupus Erythematosus |
| TK | tyrosine kinases |
| WM | Waldenström’s macroglobulinemia |
| WT | wild type |