InChI=1S/C17H20O10/c1-25-11-6-8(2-4-9(19)7-18)3-5-10(11)26-17-14(22)12(20)13(21)15(27-17)16(23)24/h2-6,12-15,17-18,20-22H,7H2,1H3,(H,23,24)