Mohd Tajudin Mohd Ali, Habsah Zahari, Aisyah Aliasak, Siong Meng Lim, Kalavathy Ramasamy, Allan Patrick G Macabeo " Synthesis, characterization and cytotoxic activity of betulinic acid and Sec-betulinic acid derivatives against human colorectal carcinoma" Oriental Journal of Chemistry. 2017, V. 33(1), P. 242-248
- DOI:
http://dx.doi.org/10.13005/ojc/330128