InChI=1S/C22H27NO8/c1-13-9-7-8-11-15(23-13)10-5-3-4-6-12-16(24)14(2)30-22-19(27)17(25)18(26)20(31-22)21(28)29/h3-14,17-20,22,25-27H,1-2H3,(H,28,29)/b4-3+,10-5-,12-6-