Calanolide E2 has anti-HIV activity.

Pyranojacareubin is a natural product from Calophyllum inophyllum.

Mesuaxanthone A and mesuaxanthone B are two yellow pigments.They produce varying degrees of C.N.S. depression characterised by ptosis, sedation, decreased spontaneous motor activity, loss of muscle tone, potentiation of pentobarbitone sleeping time and et

Tovopyrifolin C is a natural product from Calophyllum venulosum.

2-Hydroxyxanthone is a natural product from Calophyllum inophyllum.

Pancixanthone A may have antimalarial activity, it also shows a significant antileishmanial activity against the promastigote forms of Leishmania mexicana and L. infantum and against the amastigote forms of L. infantum.

Isoapetalic acid and apetalic acid exhibit cytotoxic activities towards both cancer cell lines(human breast cancer (MCF-7) and human lung carcinoma (A-549) cell lines) and both Gram-positive bacteria(two Gram-positive bacteria, S. aureus and B. subtilis a