InChI=1/C20H20N4O4S2/c1-11-7-8-12(9-14(11)24(27)28)21-16(25)10-29-20-22-18-17(19(26)23(20)2)13-5-3-4-6-15(13)30-18/h7-9H,3-6,10H2,1-2H3,(H,21,25)/f/h21H 335ED0376DE13254