V. SHINDE, NIRMALA, M. HIMAJA, S.K. BHOSALE, and R.D. WAGH. 2010. “Synthesis and Biological Evaluation of Analogue of Delavayin-C: A Cyclic Heptapeptide”. Asian Journal of Chemistry 22 (2):996-1000. https://asianpubs.org/index.php/ajchem/article/view/11215.