List of Chemicals
| Chemicals Sort descending | Reference |
|---|---|
| HARPAGIDE | Duke, 1992 * |
| HARPAGOSIDE | Wagner & Wolff, eds. 1977. New Natural Products (RS164. I56. 176) |
| VERBASCOSIDE | Newall, C. A., Anderson, L. A. and Phillipson, J. D. 1996. Herbal Medicine - A Guide for Health-care Professionals. The Pharmaceutical Press, London. 296pp. |