InChI=1/C19H20N6O2/c1-3-24-17-15(18(26)25(4-2)19(24)27)21-16(22-17)14-10-20-23(12-14)11-13-8-6-5-7-9-13/h5-10,12,26H,3-4,11H2,1-2H3/p-1/fC19H19N6O2/h26h/q-1 9145046EE9A10090