InChI=1/C17H25N3O/c18-3-4-20(14-1-2-14)16(21)15(19)17-8-11-5-12(9-17)7-13(6-11)10-17/h11-15H,1-2,4-10,19H2/t11?,12?,13?,15-,17?/m1/s1 275ABC4A6BCAFF7E