InChI=1/C19H21N5O3/c1-24-18(15(12-22-24)21-11-13-6-8-20-9-7-13)19(25)23-14-4-5-16(26-2)17(10-14)27-3/h4-10,12,21H,11H2,1-3H3,(H,23,25)/f/h23H D5E5457AB412B48C