InChI=1S/C15H18O10/c1-23-7-4-2-3-6(5-7)11(13(19)20)24-15-10(18)8(16)9(17)12(25-15)14(21)22/h2-5,8-12,15-18H,1H3,(H,19,20)(H,21,22)