InChI=1S/C20H23NO12/c1-31-19(30)10(7-9-5-3-2-4-6-9)21-17(27)11(22)8-12(23)32-20-15(26)13(24)14(25)16(33-20)18(28)29/h2-6,10,13-16,20,24-26H,7-8H2,1H3,(H,21,27)(H,28,29)