InChI=1/C14H16N4O4S2/c1-8(2)18-24(21,22)10-5-3-9(4-6-10)15-7-11-12(19)16-14(23)17-13(11)20/h3-8,15,18H,1-2H3,(H2,16,17,19,20,23)/f/h16-17H C4385CE348B2619A