“Insignificant antitubercular activity of pyrazoline, phenyl pyrazoline and isoxazoline moiety in lupeol”, Journal of Pharmaceutical Negative Results, vol. 6, no. 1, pp. 11–19, Jan. 2015, Accessed: Jun. 22, 2026. [Online]. Available: https://www.pnrjournal.com/index.php/home/article/view/85