InChI=1/C13H12N2O4S3/c1-7-6-20-13(14-7)21-11-4-9-8(5-19-12(9)16)3-10(11)15-22(2,17)18/h3-4,6H,5H2,1-2H3,(H,15,16)/p-1/fC13H11N2O4S3/q-1 514A691062A2CFED