InChI=1/C21H25N11O2/c33-32(34)18-5-3-17(4-6-18)26-21-28-19(24-7-1-11-30-13-9-22-15-30)27-20(29-21)25-8-2-12-31-14-10-23-16-31/h3-6,9-10,13-16H,1-2,7-8,11-12H2,(H3,24,25,26,27,28,29)/p+2/fC21H27N11O2/h22-26H/q+2 E2EC347534105701