InChI=1/C18H18N4O3/c1-12(23)17-20-22(14-6-4-3-5-7-14)18(19-21(17)2)13-8-9-15-16(10-13)25-11-24-15/h3-10,18-19H,11H2,1-2H3/t18-/m1/s1 B54F4C1AED03BFA7