InChI=1/C18H15NO6/c1-9-7-12(20)15(17(22)24-9)14(11-3-5-19-6-4-11)16-13(21)8-10(2)25-18(16)23/h3-8,14,20-21H,1-2H3/p-1/fC18H14NO6/h20h/q-1/t14-/m1/s1 DCA52228C62C6A79