Sunil Kumar Rajput1 , Dr H.P. Bhartya1 , Shikha Yadav. “A New Unsaturated Ketone and Other Constituents from Dioscorea Bulbifera”. International Journal of Emerging Trends in Science and Technology, Vol. 3, no. 06, June 2016, pp. 4065-7, http://igmpublication.org/ijetst.in/index.php/ijetst/article/view/1088.