InChI=1/C19H14N2O9/c22-15-7-9(5-13(18(15)25)20(27)28)3-11-1-2-12(17(11)24)4-10-6-14(21(29)30)19(26)16(23)8-10/h3-8,22-23,25-26H,1-2H2/b11-3+,12-4+	75E5645AF5C89A30