InChI=1S/C15H18O9/c16-9(17)6-3-7-1-4-8(5-2-7)23-15(22)13-11(19)10(18)12(20)14(21)24-13/h1-2,4-5,10-14,18-21H,3,6H2,(H,16,17)/t10-,11-,12+,13-,14+/m0/s1