SMILES: C1CCN2CC[C@H]3C(=C[C@@](CC/C=C\\C1)([C@H]4[C@]3(C2)C[C@H]/5N4CCCC/C=C5)O)C6=NC=CC7=C6NC8=C7C=C(C=C8)O
Description: The molecule is an alkaloid that is manzamine A with a hydroxy substituent at position 6. Isolated from Haliclona and Acanthostrongylophora, it exhibits inhibitory activity against Glycogen Synthase Kinase-3 (EC 2.7.11.26). It has a role as a metabolite and an EC 2.7.11.26 (tau-protein kinase) inhibitor. It is a member of beta-carbolines, an alkaloid and a member of isoquinolines. It derives from a manzamine A.