InChI=1/C18H21N9O2/c1-11-13(12(2)29-24-11)10-25-5-7-26(8-6-25)17-21-16(19)27-18(22-17)20-15(23-27)14-4-3-9-28-14/h3-4,9H,5-8,10H2,1-2H3,(H2,19,20,21,22,23)/p+2/fC18H23N9O2/h21,25H,19H2/q+2 F8E644744E47BCC5