InChI=1/C22H24N2O2/c1-13(2)14-8-10-15(11-9-14)20-21-17(12-19(24-20)22(25)26-3)16-6-4-5-7-18(16)23-21/h4-11,13,19-20,23-24H,12H2,1-3H3/t19-,20-/m0/s1 906162ADA258E0F6