InChI=1/C19H18N6O2/c26-16-5-3-14(4-6-16)15-7-10-24(11-8-15)19(27)23-17-2-1-9-21-18(17)25-13-20-12-22-25/h1-7,9,12-13,26H,8,10-11H2,(H,23,27)/f/h23H 4E48DD189288BBB9