InChI=1S/C23H30N2O7/c1-2-32-23(31)16(12-11-14-7-4-3-5-8-14)24-19(22(29)30)20(26)25-17-10-6-9-15(17)13-18(25)21(27)28/h3-5,7-8,15-19,24H,2,6,9-13H2,1H3,(H,27,28)(H,29,30)