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