Belinostat N-Di-(O-Methyl Glucuronide Triacetate) is an intermediate used in the synthesis of Belinostat Glucuronide (B131405), which is the major metabolite of Belinostat. Belinostat (B131400) is a novel histone deacetylase 3 selective inhibitor, which protects the β cells from cytokine-induced apoptosis.