InChI=1/C18H20N6O2/c1-23-10-11(9-19-23)12-7-13(12)18(26)22-21-17(25)8-16-20-14-5-3-4-6-15(14)24(16)2/h3-6,9-10,12-13H,7-8H2,1-2H3,(H,21,25)(H,22,26)/t12-,13-/m0/s1/f/h21-22H FE938E66CCB6AE07