InChI=1S/C17H20O10/c1-7(18)3-4-8-5-6-9(14(25-2)10(8)19)26-17-13(22)11(20)12(21)15(27-17)16(23)24/h3-6,11-13,15,17,19-22H,1-2H3,(H,23,24)