InChI=1/C19H21N5O3/c1-24-12-22-18(21-11-13-6-8-20-9-7-13)17(24)19(25)23-14-4-5-15(26-2)16(10-14)27-3/h4-10,12,21H,11H2,1-3H3,(H,23,25)/f/h23H 377894AC21F357E1