C, S., R. K, R. K. K., and S. V. “Synthesis, Characterisation and Anthelminthic Activity of Some Novel 1, 4 Disubstituted Azetidinones”. International Journal of Novel Trends in Pharmaceutical Sciences, Vol. 5, no. 4, July 2015, pp. 135-42, https://scienztech.org/index.php/ijntps/article/view/157.