InChI=1S/C17H18O12/c1-25-14-9(19)6(4-7-13(14)27-5-26-7)2-3-8(18)28-17-12(22)10(20)11(21)15(29-17)16(23)24/h2-4,10-12,15,17,19-22H,5H2,1H3,(H,23,24)