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