InChI=1/C21H21N8/c1-2-7-16(8-3-1)20-21(28(15-22-20)14-19-24-26-27-25-19)18-10-5-4-9-17(18)13-29-12-6-11-23-29/h1-12,20-22H,13-15H2/q-1/p+1/t20-,21-/m0/s1/fC21H22N8/h28H/q 8AEED17DD5BB9769