InChI=1S/C23H30N2O4/c1-5-21-9-6-11-25-12-10-22(18(21)25)16-8-7-15(28-3)13-17(16)24(2)19(22)23(27,14-21)20(26)29-4/h6-9,13,18-19,27H,5,10-12,14H2,1-4H3