InChI=1/C21H27N5O2/c1-3-26(4-2)16-8-15-22-20(27)21(28)23-17-11-13-19(14-12-17)25-24-18-9-6-5-7-10-18/h5-7,9-14H,3-4,8,15-16H2,1-2H3,(H,22,27)(H,23,28)/p+1/fC21H28N5O2/h22-23,26H/q+1 AE60FDD9A44D4755