M. Yusoff, S. F., Ismail, W., Yarmo, A., Ibrahim, N., & Yamin, B. M. (2013). Protonated 14-membered 5,5,7,12,12,14-hexamethyl-1,4,8,11-tetrazacyclotetradeca-7,14-diene Salts and Their Biological Activity. International Journal on Advanced Science, Engineering and Information Technology, 3(2), 142–144. https://doi.org/10.18517/ijaseit.3.2.317