InChI=1/C19H18N6O2/c1-11(2)21-19(26)13-6-3-5-12(9-13)14-10-25-18(16(20)22-14)23-17(24-25)15-7-4-8-27-15/h3-11H,1-2H3,(H2,20,22)(H,21,26)/p+1/fC19H19N6O2/h21-22H,20H2/q+1 6E78C4C5C5B765DD