InChI=1/C21H27N5O/c1-4-5-6-18-12-20(27)23-21(22-18)17-9-7-16(8-10-17)13-26(3)14-19-11-15(2)24-25-19/h7-12H,4-6,13-14H2,1-3H3,(H,24,25)(H,22,23,27)/p+1/fC21H28N5O/h23-24,26H/q+1 7C7BADA8C316F1EC