InChI=1S/C15H16O9/c16-9(17)5-4-7-2-1-3-8(6-7)23-15-12(20)10(18)11(19)13(24-15)14(21)22/h1-6,10-13,15,18-20H,(H,16,17)(H,21,22)/b5-4+/t10-,11+,12-,13+,15-/m1/s1