InChI=1/C19H20N4O4S2/c20-29(26,27)15-5-6-17(18(11-15)23(24)25)22-9-7-21(8-10-22)12-14-13-28-19-4-2-1-3-16(14)19/h1-6,11,13H,7-10,12H2,(H2,20,26,27)/p+1/fC19H21N4O4S2/h21H,20H2/q+1 55D10F608323E18A