Antiophidic activity of the secondary metabolite lupeol isolated from Zanthoxylum monogynum - Santos, Benedito Matheus dos; Ferreira, Glaucio Monteiro; Tavares, Maurício Temotheo; Bona, Júlio César De; Hirata, Mario Hiroyuki; Paula, Vanderlúcia Fonseca de; Saturnino, Klaus Casaro; Soares, Andreimar Martins; Mendes, Mirian Machado (Toxicon, 2021)