InChI=1/C20H22N4O/c1-25-17-9-7-16(8-10-17)23-11-4-12-24(14-13-23)20-15-21-18-5-2-3-6-19(18)22-20/h2-3,5-10,15H,4,11-14H2,1H3 8AA9FB0EBC1BEB15