
Keywords: Betulonic acid derivatives; Synthesis; Antitumor; Apoptosis; Mitochondrial pathway; ADM; adriamycin; AO/EB; acridine orange/ethidium bromide; BetA; betulonic acid; 13C NMR; 13C Nuclear Magnetic Resonance; DMF; N, N-dimethylformamide; DMSO; dimethyl sulfox