InChI=1/C20H27N3O2/c1-14-8-18(9-15(2)19(14)24)12-22-20(25)21-11-16-6-5-7-17(10-16)13-23(3)4/h5-10,24H,11-13H2,1-4H3,(H2,21,22,25)/p+1/fC20H28N3O2/h21-23H/q+1 2E7D6AF327D2934D