InChI=1/C20H19N5O2/c21-13-16-5-7-19(27-16)20(26)23-17-6-4-15(25-11-8-22-14-25)12-18(17)24-9-2-1-3-10-24/h4-8,11-12,14H,1-3,9-10H2,(H,23,26)/f/h23H 2BB635BC3320638E