InChI=1S/C22H21NO8/c24-15-10-13-12(6-7-23-14(13)8-11-4-2-1-3-5-11)9-16(15)30-22-19(27)17(25)18(26)20(31-22)21(28)29/h1-7,9-10,17-20,22,24-27H,8H2,(H,28,29)