Amodiaquine dihydrochloride (Amodiaquin dihydrochloride), a member of the 4-aminoquinoline class, serves as an antimalarial agent and exhibits potent oral activity as a histamine N-methyltransferase inhibitor, displaying a K i value of 18.6 nM. Additionally, it acts as a Nurr1 agonist, targeting the Nurr1-LBD (ligand binding domain) with an EC 50 of approximately 20 uM, thereby demonstrating an anti-inflammatory effect (1) (2) (3) (4) (5).