InChI=1/C22H28N2O/c1-22(2,3)21(25)24-16-14-23(15-17-24)20(18-10-6-4-7-11-18)19-12-8-5-9-13-19/h4-13,20H,14-17H2,1-3H3 769F4675371F7D5F