InChI=1/C20H20N6/c1-2-4-15(5-3-1)26-12-16(18(25-26)14-6-9-21-10-7-14)19-20-17(8-11-22-19)23-13-24-20/h1-7,9-10,12-13,18-19,22,25H,8,11H2,(H,23,24)/p+2/t18-,19-/m1/s1/fC20H22N6/h21,23-24H/q+2 9F73689E023C7DA6