InChI=1S/C14H16O11/c15-5-1-4(8(18)6(16)3-5)2-7(17)24-14-11(21)9(19)10(20)12(25-14)13(22)23/h1,6,9-12,14,16,19-21H,2-3H2,(H,22,23)