InChI=1/C20H27N3O2/c1-13(2)23-9-7-15(8-10-23)12-21-20(25)17-11-18(24)22-19-14(3)5-4-6-16(17)19/h4-6,11,13,15H,7-10,12H2,1-3H3,(H,21,25)(H,22,24)/p+1/fC20H28N3O2/h21-23H/q+1 31AD9BAB0EE6EC7E