InChI=1S/C17H22O11/c1-5-12(7(6(2)18)14(26-4)11(22)13(5)25-3)27-17-10(21)8(19)9(20)15(28-17)16(23)24/h8-10,15,17,19-22H,1-4H3,(H,23,24)