InChI=1S/C17H16N6O/c18-5-3-15(11-1-2-13(24)7-11)23-9-12(8-22-23)16-14-4-6-19-17(14)21-10-20-16/h4,6,8-11,15H,1-3,7H2,(H,19,20,21)/t11?,15-/m1/s1