InChI=1/C21H31N5O2/c1-15(2)18(20-24-19(25-28-20)16-11-12-16)23-21(27)22-13-7-8-14-26(3)17-9-5-4-6-10-17/h4-6,9-10,15-16,18H,7-8,11-14H2,1-3H3,(H2,22,23,27)/t18-/m0/s1/f/h22-23H 075663C04078F1E8