InChI=1/C18H14O12/c19-9-3-1-7(5-11(9)21)17(27)29-13(15(23)24)14(16(25)26)30-18(28)8-2-4-10(20)12(22)6-8/h1-6,13-14,19-22H,(H,23,24)(H,25,26)/p-2/t13-,14-/m1/s1/fC18H12O12/q-2 C4C87D0143228B7E