InChI=1/C16H18N6O/c1-9-10(7-19-11-5-3-4-6-12(11)23-2)8-20-15-13(9)14(17)21-16(18)22-15/h3-6,8,19H,7H2,1-2H3,(H4,17,18,20,21,22)/f/h17-18H2 FE8C0318F51F2E2E