Fig. 4From: Anti-proliferative activity of a novel tricyclic triterpenoid acid from Commiphora africana resin against four human cancer cell linesVCD spectra calculated for the R and S C14 isomers (upper and middle panels, frequency scaled by 0.967) and the experiment (lower panel). Experimental wavenumbers are denoted in black, and selected bands are assigned identifiers denoted in red. Positive experimental bands are traced with red lines and negative experimental bands are traced with blue linesBack to article page