InChI=1/C17H14N2O4S/c1-10-2-4-11(5-3-10)16-18-19-17(23-16)24-9-15(22)13-7-6-12(20)8-14(13)21/h2-8,20-21H,9H2,1H3 1C93A5A2723BB7DA