InChI=1/C15H8N2O4S/c18-12(19)6-17-14(20)10-3-1-2-8-4-9(16-7-22)5-11(13(8)10)15(17)21/h1-5H,6H2,(H,18,19)/p-1/fC15H7N2O4S/q-1 199F360F732BFD92