Antiproliferative agent-26 (compound 4g) is an antiproliferative agent with much broad range of activity targeting Leukemia, CNS, Melanoma, Renal and Breast (at the concentration of 10 μM). Antiproliferative agent-26 inhibits colony forming and arrests cell cycle at G1 phase/S phase at 5 μM and 25 μM, respectively.