Isolation and Structural Elucidation of Allantoin a Bioactive Compound from Cleome viscosa L.: A Combined Experimental and Computational Investigation, G, Lakshmanan, C Sivaraj, A Ammar, D Anantha Krishnan, S Gopinath, K Saravanan, K Gunasekaran, and K Murugesan , Pharmacognosy Journal, November 2019, Volume 11, Issue 6s, p.1391-1400, (2019)