InChI=1/C20H18N6O2/c21-17-19-23-18(16-7-4-10-28-16)24-26(19)12-15(22-17)13-5-3-6-14(11-13)20(27)25-8-1-2-9-25/h3-7,10-12H,1-2,8-9H2,(H2,21,22)/p+1/fC20H19N6O2/h22H,21H2/q+1 4EBFA9F213F3F98F