InChI=1S/C15H18O9/c1-6(16)4-7-2-3-8(17)9(5-7)23-15-12(20)10(18)11(19)13(24-15)14(21)22/h2-3,5,10-13,15,17-20H,4H2,1H3,(H,21,22)/t10-,11-,12+,13-,15?/m0/s1