InChI=1/C18H20N6O2/c1-12-11-23-14-15(21(2)18(26)22(3)16(14)25)19-17(23)24(20-12)10-9-13-7-5-4-6-8-13/h4-8H,9-11H2,1-3H3 64549CC6795EAE17