Calophyllum tetrapterum is a medicinal plant that grows in Indonesia. Calophyllum has a variety of secondary metabolites, including coumarins, xanthones, terpenoids, benzophenones, and flavonoids. Secondary metabolites in this genus have several biological activities, including antiviral, antimicrobial, antimalarial, and anticancer. The aim of this research was to isolate and characterize secon…