– UNC0321 is a potent and selective G9a inhibitor with Ki of 63 pM, UNC0321 is the first G9a inhibitor with picomolar potency and the most potent G9a inhibitor to date.IC50 value: 63 pM(Ki); 9 nM (ECSD assay) [1]Target: G9aIt was found that replacing the 5-