Spectroscopic characterization of a derivative of naphthalene isolated from Hibiscus sabdariffa calyx. Recent Advances in Natural Sciences, [S. l.], v. 3, n. 2, p. 232, 2025. DOI: 10.61298/rans.2025.3.2.232. Disponível em: https://rans.nsps.org.ng/index.php/rans/article/view/232. Acesso em: 4 feb. 2026.