NARWANTI, I.; ABDILLAH, F. H. Synthesis of 4-Hydroxycinnamic Acid from Malonic Acid and 4-Hydroxybenzaldehyde as Starting Materials with the Variation of the Reflux Time. Borneo Journal of Pharmacy, Palangka Raya, Indonesia, v. 9, n. 1, 2026. DOI: 10.33084/bjop.v9i1.9356. Disponível em: https://journal.umpr.ac.id/index.php/bjop/article/view/9356. Acesso em: 27 mar. 2026.