I, N.; S, H.; A. HADI, H.; AWANG, K. Ab initia Geometry-Optimization and NMR Studies of Chemical Constituents of Piper sarmentosum. Malaysian Journal of Science, [S. l.], v. 21, n. 1&2, p. 143–147, 2002. Disponível em: https://sare.um.edu.my/index.php/MJS/article/view/8600. Acesso em: 23 dec. 2024.