InChI=1S/C22H29NO8/c1-2-16(24)12-6-4-3-5-9-14-10-7-8-11-15(23-14)13-30-22-19(27)17(25)18(26)20(31-22)21(28)29/h3-5,7-9,11,17-20,22,25-27H,2,6,10,12-13H2,1H3,(H,28,29)/b4-3+,9-5-