InChI=1/C18H17N5O/c1-11(2)12-5-3-6-13(9-12)14-10-23-18(16(19)20-14)21-17(22-23)15-7-4-8-24-15/h3-11H,1-2H3,(H2,19,20)/p+1/fC18H18N5O/h20H,19H2/q+1 4F7158CDD047E3F1