InChI=1/C14H9NO3/c16-13-11-4-2-1-3-9(11)10-6-5-8(14(17)18)7-12(10)15-13/h1-7H,(H,15,16)(H,17,18)/p-1/fC14H8NO3/h15H/q-1 C63DC1FA77D4CFE5