InChI=1S/C15H16O12/c16-5-1-4(2-6(17)8(5)19)3-7(18)14(25)27-15-11(22)9(20)10(21)12(26-15)13(23)24/h1-2,9-12,15-17,19-22H,3H2,(H,23,24)