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