InChI=1/C22H26N4O2/c27-15-16-7-9-26(10-8-16)21-6-5-17(12-24-21)13-25-22(28)11-18-14-23-20-4-2-1-3-19(18)20/h1-6,12,14,16,23,27H,7-11,13,15H2,(H,25,28)/f/h25H F5757D453CA5701B