InChI=1/C14H12N2O5S/c15-22(20,21)11-4-2-10(3-5-11)16-8-9-1-6-13(17)12(7-9)14(18)19/h1-8,17H,(H,18,19)(H2,15,20,21)/p-1/fC14H11N2O5S/h15H2/q-1 D7D78DB0D9FC774A