Screening and Characterisation of Antimicrobial Properties of Semisynthetic Betulin Derivatives
Figure 3
Cytotoxic effect of selected betulins on mammalian cells (Huh-7) after 24 h exposure at different concentrations.
A) betulinic aldehyde (18), B) betulin-28-oxime (31) and C) hetero cycloadduct (43).