TREVISAN SECRETTI, Leonardo; PEREIRA, Andrea; BAGGIO GNOATTO, Simone Cristina; MARONESI BUENO, Lívia; LUKASEWICS FERREIRA, Pâmela; FROEHLICH, Pedro Eduardo. Simple method for simultaneous quantification of two new derivatives of betulinic and ursolic acids with antimalarial activity by RP-HPLC-UV-CAD. Drug Analytical Research, Porto Alegre, v. 4, n. 2, p. 31–39, 2020. DOI: 10.22456/2527-2616.108249. Disponível em: https://seer.ufrgs.br/index.php/dar/article/view/108249. Acesso em: 14 sep. 2026.