Cao Z, Kozielski A, Liu X, Wang Y, Vardeman D, and Giovanella B. Crystalline camptothecin-20(S)-O-propionate hydrate: A novel antitumor agent with strong activity against 19 human tumor xenografts. 2009. Cancer Research, 69:4742-4749
Zhisong Cao, John Mendoza, Albert DeJesus, and Dana Vardeman, and Beppino Giovanella Synthesis and antitumor activity of aromatic camptothecin esters. 2008. International Journal of Molecular Medicine 21:477-487
Zhisong Cao, John Mendoza, Albert DeJesus, Beppino Giovanella. Structure-activity relationship of camptothecin esters. IV. Synthesis and anti-tumor activity of alkenyl camptothecin esters. 2005. Acta Pharmacoligica Sinica 26(2): 235-241
Zhisong Cao, Panayotis Pantazis, John Mendoza, Janet Early, Anthony Kozielski, Nick Harris, Beppino Giovanella. 2003. Structure-Activity Relationship of Alkyl 9-Nitrocamptothecin Esters. Acta Pharmacoligica Sinica 24(2):109-119
Z. Cao, J. Mendoza, J. Early, and B. Giovanella. The structure-antitumor activity relationship of camptothecin esters. 2000. Ann. N.Y. Acad. Sci. Vol. 922:122 – 135
Z. Cao, K. Armstrong, M. Shaw, E. Petry, and N. Harris. Nitration of camptothecin with various inorganic nitrate salts in concentrated sulfuric acid: A new preparation of anticancer drug 9-nitrocamptothecin. 1998. Synthesis 1724-1730
Z. Cao, N. Harris, T. Kozielski, D. Vardeman, and B. Giovanella. Alkyl esters of camptothecin and 9 – nitrocamptothecin: synthesis, in vitro pharmacokinetics, toxicity, and antitumor activity. 1998. J. Med. Chem. 41:31-37
Z. Cao, and J. G. Liehr, An effective approach to B-ring aromatization of equilin. 1997.
Synth. Commun. 27:145-155
Z. Cao, An alternative preparation of camptothecin 20 (S) acetate. 1997. Synthetic Communications 27(11):2013-2019
Z. Cao. Preparation of 14-nitrocamptothecin derivatives by reactions of camptothecin with nitronium tetrafluoroborate in acidic solvents. 1996. J. Chem. Soc., Perkin Trans. 1:2629-2632
Z. Cao, and J. G. Liehr. Total synthesis of 3-hydroxy-6-oxaestra-1,3,5(10)-trien-17-one. 1996. J. Chem. Soc., Perkin Trans. 1:841-844