InChI=1S/C22H29NO8/c1-3-15(24)16(12-6-4-5-10-14-11-8-7-9-13(2)23-14)30-22-19(27)17(25)18(26)20(31-22)21(28)29/h4-10,16-20,22,25-27H,3,11-12H2,1-2H3,(H,28,29)/b6-4+,10-5-