InChI=1S/C15H18O10/c16-7-3-1-2-6(4-7)8(17)5-9(18)24-15-12(21)10(19)11(20)13(25-15)14(22)23/h1-4,8,10-13,15-17,19-21H,5H2,(H,22,23)