InChI=1/C13H16N4O4S/c1-8-5-11(13(18)14-12-6-9(2)21-16-12)15-17(8)10-3-4-22(19,20)7-10/h5-6,10H,3-4,7H2,1-2H3,(H,14,16,18)/t10-/m0/s1/f/h14H 8E3877B192B3E239