InChI=1/C19H18N6O2/c20-15-7-8-16(26-13-5-1-3-11(9-13)17(21)22)25-19(15)27-14-6-2-4-12(10-14)18(23)24/h1-10H,20H2,(H3,21,22)(H3,23,24)/p+2/fC19H20N6O2/h21-24H2/q+2 F8877EE9D1D70A42