DETERMINATION OF THE ABSOLUTE CONFIGURATION OF NEW PIPERIDIN-4-ONE DERIVATIVE FROM Pellacalyx saccardianus BY NOESY SPECTROSCOPY. Jurnal Teknologi (Sciences & Engineering), [S. l.], v. 78, n. 3-2, 2016. DOI: 10.11113/jt.v78.7806. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/7806.. Acesso em: 10 apr. 2025.