InChI=1S/C19H22O8/c1-9-4-3-5-12(20)17(23)14(22)8-15-18(27-15)11-6-10(25-2)7-13(21)16(11)19(24)26-9/h3,5-7,9,14-15,17-18,21-23H,4,8H2,1-2H3/b5-3-/t9-,14-,15+,17+,18+/m0/s1