Singaram, K., D. Marimuthu, S. Baskaran, and V. Ramaswamy. “Synthesis and Antimicrobial Activity of New 3,5-Diarylidene-4-Piperidone Derivatives”. Journal of the Serbian Chemical Society, vol. 81, no. 8, Sept. 2016, pp. 859-70, doi:10.2298/JSC151112043S.