InChI=1S/C22H28N2O3/c1-5-13-12-24-9-8-22-16-10-14(26-3)6-7-17(16)23(2)20(22)18(24)11-15(13)19(22)21(25)27-4/h5-7,10,15,18-20H,8-9,11-12H2,1-4H3/b13-5-