Lian, Jianwei, et al. “Synthesis and Antibacterial Activity of 4-(4-Methylpent-3-enyl)cyclohex-4-Ene-1,2-Dicarboxamide”. Asian Journal of Chemistry, vol. 25, no. 12, June 2013, pp. 6718-20, doi:10.14233/ajchem.2013.14431.