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