InChI=1S/C17H14N8.Zn/c18-16(19)8-1-3-10-12(5-8)24-14(22-10)7-15-23-11-4-2-9(17(20)21)6-13(11)25-15;/h1-6H,7H2,(H6-2,18,19,20,21,22,23,24,25);/q-2;+2/p+2