- Synthesis and antitumor activity of conjugates of muramyldipeptide, normuramyldipeptide, and desmuramylpeptides with acridine/acridone derivatives. Dzierzbicka, K., Kołodziejczyk, A.M., Wysocka-Skrzela, B., Myśliwski, A., Sosnowska, D. J. Med. Chem. (2001)