InChI=1S/C23H23NO8/c1-30-16-10-13-7-8-24-15(9-12-5-3-2-4-6-12)14(13)11-17(16)31-23-20(27)18(25)19(26)21(32-23)22(28)29/h2-8,10-11,18-21,23,25-27H,9H2,1H3,(H,28,29)