InChI=1/C18H16N4O4S2/c23-8-7-21-28(25,26)12-3-1-11(2-4-12)19-9-13-16-14(22-18(13)24)5-6-15-17(16)27-10-20-15/h1-6,9-10,21-24H,7-8H2 20F011E42DFEF49C