InChI=1S/C17H20O11/c18-9-3-1-2-7(5-9)4-8(15(23)24)6-10(19)27-17-13(22)11(20)12(21)14(28-17)16(25)26/h1-3,5,8,11-14,17-18,20-22H,4,6H2,(H,23,24)(H,25,26)