InChI=1/C19H22N6O2/c1-12-7-8-13(19(26)25-27-2)9-16(12)24-18-15(10-20)17(21-11-22-18)23-14-5-3-4-6-14/h7-9,11,14H,3-6H2,1-2H3,(H,25,26)(H2,21,22,23,24)/f/h23-25H 5510F2AA9BCBF3D7