InChI=1/C13H15N4O7S3/c1-17-12(25-13(15-17)26(14,19)20)16-27(21,22)10-5-3-9(4-6-10)11(18)24-8-7-23-2/h3-6H,7-8H2,1-2H3,(H-,14,19,20)/q-1/p+1/fC13H16N4O7S3/h14-15H/q 4CCBD01FA7033B74