Cytotoxicity Evaluation and Dereplication of Flavonoids-Guided by Antioxidant Activity and Total Phenolics Content from Ephedrantus amazonicus Leaves oleh Alisson Martins Albino, Débora Luciano Gomes, Arthur Henrique dos Santos, Giovanna de Souza Lima Malta, David Henrique Lima de Oliveira, Luís Fernando Lira Souto, Carolina Bioni Garcia Teles, Saara Neri Fialho, Minelly Azevedo da Silva, Nilton Fagner de Oliveira Araújo, Márcia Bay