InChI=1S/C23H32N2O3/c1-5-22-10-6-13-24-14-12-23(21(22)24)16-7-8-17(27-3)20(28-4)19(16)25(15(2)26)18(23)9-11-22/h7-8,18,21H,5-6,9-14H2,1-4H3