InChI=1S/C17H18O10/c1-5-2-6-10(7(18)3-5)8(19)4-9(20)14(6)26-17-13(23)11(21)12(22)15(27-17)16(24)25/h2-4,11-13,15,17-23H,1H3,(H,24,25)