InChI=1/C16H14N4O3S2/c21-13(10-8-17-16-20(15(10)23)5-6-24-16)18-19-14(22)12-7-9-3-1-2-4-11(9)25-12/h5-8H,1-4H2,(H,18,21)(H,19,22)/f/h18-19H 3EE59458BCB23FBE