InChI=1/C20H24N4O2/c1-2-3-11-24-12-15-5-4-6-18(17(15)13-24)23-19(25)14-7-9-16(10-8-14)22-20(21)26/h4-10H,2-3,11-13H2,1H3,(H,23,25)(H3,21,22,26)/p+1/fC20H25N4O2/h22-24H,21H2/q+1 BB9591C2647844E3