InChI=1S/C22H27N5O/c1-3-8-18(9-4-1)22(19-10-5-2-6-11-19)28-20-13-16-27(17-14-20)15-7-12-21-23-25-26-24-21/h1-6,8-11,20,22H,7,12-17H2,(H,23,24,25,26)