InChI=1/C20H27N3O2/c1-20(2)16(14-25-18-10-9-15(11-21)12-22-18)13-23(19(20)24)17-7-5-3-4-6-8-17/h9-10,12,16-17H,3-8,13-14H2,1-2H3/t16-/m1/s1 05A3ECFD2326D842