Raffauf, Robert F.; Shemluck, Melvin J.; Le Quesne, Philip W. (November 1991). "The Withanolides of Iochroma fuchsioides". Journal of Natural Products. 54 (6): 1601–1606. doi:10.1021/np50078a017. ISSN0163-3864.
Raffauf, Robert F.; Shemluck, Melvin J.; Le Quesne, Philip W. (November 1991). "The Withanolides of Iochroma fuchsioides". Journal of Natural Products. 54 (6): 1601–1606. doi:10.1021/np50078a017. ISSN0163-3864.