InChI=1/C18H21N9O2/c1-11-9-13(25-29-11)10-26-6-4-12(5-7-26)20-17-22-16(19)27-18(23-17)21-15(24-27)14-3-2-8-28-14/h2-3,8-9,12H,4-7,10H2,1H3,(H3,19,20,21,22,23,24)/p+2/fC18H23N9O2/h20,22,26H,19H2/q+2 F98A4DC1D5C92ECE