InChI=1/C19H20N6O2/c1-12-4-7-17-21-14(11-25(17)10-12)9-20-18(26)22-13-5-6-15-16(8-13)24(3)19(27)23(15)2/h4-8,10-11H,9H2,1-3H3,(H2,20,22,26)/p+1/fC19H21N6O2/h20-22H/q+1 CE84CD4D7FB0726D