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