Review Article

Ornamental Exterior versus Therapeutic Interior of Madagascar Periwinkle (Catharanthus roseus): The Two Faces of a Versatile Herb

Figure 2

The three-dimensional structures of the main anticancer compounds of MP, (a) vincristine and (b) vinblastine, in a ball-stick model (http://www.chemspider.com/ImageView).
(a)
(b)