InChI=1/C13H16N4O4S/c1-2-3-8-11(18)15-16-13(22)14-12(19)9-6-4-5-7-10(9)17(20)21/h4-7H,2-3,8H2,1H3,(H,15,18)(H2,14,16,19,22)/f/h14-16H E6EA580973D844F6