InChI=1/C21H22N4O2/c26-25(27)16-7-5-15(6-8-16)24-13-10-21(11-14-24)20-18(9-12-22-21)17-3-1-2-4-19(17)23-20/h1-8,22-23H,9-14H2 1EE031FEDFDCF0C8