InChI=1/C21H25N5O2/c1-21(2,3)28-20(27)25-10-9-15(11-25)26-12-16(14-7-5-4-6-8-14)17-18(22)23-13-24-19(17)26/h4-8,12-13,15H,9-11H2,1-3H3,(H2,22,23,24)/t15-/m1/s1/f/h22H2 950D67C6A77480F6