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