InChI=1/C18H18N4O4S2/c1-3-21(14-7-5-4-6-8-14)28(25,26)15-9-10-17(16(13-15)22(23)24)27-18-19-11-12-20(18)2/h4-13H,3H2,1-2H3 8822A947FD39813C