InChI=1/C21H36N4O3/c1-3-4-8-18(20(26)23-19-15-17(2)28-24-19)22-16-21(9-6-5-7-10-21)25-11-13-27-14-12-25/h15,18,22H,3-14,16H2,1-2H3,(H,23,24,26)/t18-/m1/s1/f/h23H CB5E4EB818EE05C5