InChI=1/C20H20N4O3/c25-17(22-14-7-8-15-16(11-14)24-19(27)23-15)12-21-18(26)20(9-4-10-20)13-5-2-1-3-6-13/h1-3,5-8,11H,4,9-10,12H2,(H,21,26)(H,22,25)(H2,23,24,27)/f/h21-24H D85A48CB3072167C