InChI=1/C18H20N6O2/c19-15(26)9-23-5-4-12(7-23)24-8-14(11-2-1-3-13(25)6-11)16-17(20)21-10-22-18(16)24/h1-3,6,8,10,12,25H,4-5,7,9H2,(H2,19,26)(H2,20,21,22)/t12-/m1/s1/f/h19-20H2 4EEA616B4CF61731