InChI=1/C16H19N9O/c1-22-5-7-24(8-6-22)15-11-13(20-23(15)2)19-16(17)25-14(11)18-12(21-25)10-4-3-9-26-10/h3-4,9H,5-8H2,1-2H3,(H2,17,19,20)/f/h17H2 6C1717D16C32D335