InChI=1/C17H16N2O4S2/c1-22-16(21)11-7-6-9(23-11)8-24-17-18-14(20)13-10-4-2-3-5-12(10)25-15(13)19-17/h6-7,12H,2-5,8H2,1H3/t12-/m0/s1 1B4ACCFE103BFF3A