6-Hydroxybenzbromarone is the major metabolite of Benzbromarone with a longer half-life and greater pharmacological potency than the parent compound. 6-Hydroxybenzbromarone is a protein Eyes Absent 3 (EYA3) inhibitor with an IC50 value of 21.5 μM. 6-Hydroxybenzbromarone is an angiogenic agent, has strong inhibitory effects on cell migration, tubulogenesis, and angiogenic sprouting.