InChI=1S/C17H20O11/c18-8-4-6(3-7-1-2-10(20)26-7)5-9(19)14(8)27-17-13(23)11(21)12(22)15(28-17)16(24)25/h4-5,7,11-13,15,17-19,21-23H,1-3H2,(H,24,25)/t7-,11+,12+,13-,15+,17-/m1/s1