Insignificant antitubercular activity of pyrazoline, phenyl pyrazoline and isoxazoline moiety in lupeol. Journal of Pharmaceutical Negative Results, [S. l.], v. 6, n. 1, p. 11–19, 2015. Disponível em: https://mail.pnrjournal.com/index.php/home/article/view/85.. Acesso em: 14 may. 2026.