Chattopadhyay, K K, and D P Chakraborty. 1992. “Claptaphylline - A New Furoquinoline Alkaloid from Clausena Heptaphylla Wt And Arn”. Indian Science Cruiser 6 (1):29-30. http://www.informaticsjournals.com/index.php/ISC/article/view/42765.