InChI=1S/C17H20O11/c1-25-8-5-7(3-4-10(18)19)6-9(26-2)14(8)27-17-13(22)11(20)12(21)15(28-17)16(23)24/h3-6,11-13,15,17,20-22H,1-2H3,(H,18,19)(H,23,24)/t11-,12-,13+,15-,17+/m0/s1