InChI=1/C20H24N4O2/c25-19-9-5-4-8-18(19)14-21-22-20(26)16-24-12-10-23(11-13-24)15-17-6-2-1-3-7-17/h1-9,14,25H,10-13,15-16H2,(H,22,26)/b21-14+/f/h22H 00ECCF532EBB39DF