InChI=1/C20H20N4O3/c21-20(25)15-5-6-18(19(12-15)24(26)27)23-9-7-13(8-10-23)17-11-14-3-1-2-4-16(14)22-17/h1-6,11-13,22H,7-10H2,(H2,21,25)/f/h21H2 22BBDB74BB505E7E