RPS6KA3 and cancer: Amidrazones demonstrated a diverse number of antitumor mechanisms, acting as brc-abl kinase inhibitors (72–76), an inhibitor of phosphatidylinositol 3-kinase (79), an inhibitor of tubulin polymerization (81) and an inhibitor of ribosomal kinase RSK2 (82), which indicates their potential in the search for new anti-cancer drugs.