Pangaribowo, D.A., Fathunnisa, F., Nugraha, A.S., Puspaningtyas, A.R. and Sary, I.P. 2024. Structure Modification of Cinnamic Acid to (E)-1-(3,4-dihydroisoquinoline-2(1H)-yl)-3-phenylprop-2-en-1-one and Antioxidant Activity Test by DPPH Method. Borneo Journal of Pharmacy. 7, 3 (Aug. 2024). DOI:https://doi.org/10.33084/bjop.v7i3.6163.