InChI=1/C18H20N6O/c1-13-5-3-4-6-14(13)18(25)8-10-24(11-18)17-19-9-7-15(22-17)16-20-12-21-23(16)2/h3-7,9,12,25H,8,10-11H2,1-2H3/t18-/m0/s1 2F74ECAA56B9F28A