InChI=1S/C22H27N3O/c1-13-8-22-10-17-20(2,3)18-15(14-6-4-5-7-16(14)23-18)9-21(17,24-19(22)26)12-25(22)11-13/h4-7,13,17,23H,8-12H2,1-3H3,(H,24,26)/t13-,17+,21-,22+/m1/s1