InChI=1/C22H24N2O3/c1-13-9-14(2)17-10-18(23-21(17)15(13)3)22(25)24(4)11-16-12-26-19-7-5-6-8-20(19)27-16/h5-10,16,23H,11-12H2,1-4H3/t16-/m0/s1 19CD592DEE1C829B