InChI=1/C16H12N2O4S/c17-23(21,22)11-7-5-10(6-8-11)18-14-9-15(19)16(20)13-4-2-1-3-12(13)14/h1-8H,9H2,(H2,17,21,22)/f/h17H2 19D5F3E35C9EB041