InChI=1/C11H12N4O5S2/c12-4-9(17)13-5-10(18)15-22(19,20)11-14-7-2-1-6(16)3-8(7)21-11/h1-3,16H,4-5,12H2,(H,13,17)(H,15,18)/f/h13-14H 4CD7673CD1E2D4DA