InChI=1/C21H27N5O/c1-13-14(2)22-20(23-21(13)27)18-8-6-7-17(11-18)12-26(5)10-9-19-15(3)24-25-16(19)4/h6-8,11H,9-10,12H2,1-5H3,(H,24,25)(H,22,23,27)/p+1/fC21H28N5O/h23-24,26H/q+1 4F3C74BE0C1189F5