InChI=1S/C19H24O8/c1-9(2)8-11-4-6-12(7-5-11)10(3)18(25)27-19-15(22)13(20)14(21)16(26-19)17(23)24/h4-7,10,13-16,19-22H,1,8H2,2-3H3,(H,23,24)