InChI=1S/C22H27NO8/c1-2-3-5-10-15(11-6-7-12-16(24)23-13-8-4-9-14-23)30-22-19(27)17(25)18(26)20(31-22)21(28)29/h1,6,8,11,13,15,17-20,22,25-27H,4,7,9-10,12,14H2,(H,28,29)/b11-6-