Synthesis of phthalates of betulinic acid and betulin with cytotoxic activity

KVASNICA, M., J. ŠAREK, E. KLINOTOVÁ, P. DŽUBÁK, M. HAJDÚCH
Synthesis of phthalates of betulinic acid and betulin with cytotoxic activity. Bioorganic & Medicinal Chemistry. 2005, 13(10), 3447-54, ISSN: 0968-0896, PMID: 15848757,