InChI=1/C19H29N9O/c1-5-26(6-2)9-10-27-12-15(11-21-27)23-17(29)8-7-16-13(3)22-19-24-18(20)25-28(19)14(16)4/h11-12H,5-10H2,1-4H3,(H2,20,25)(H,23,29)/p+1/fC19H30N9O/h23,26H,20H2/q+1 2C2DB241C88C5F1E