InChI=1/C13H13N3O4S/c14-21(19,20)8-9-3-1-4-10(7-9)16-13(18)11-5-2-6-15-12(11)17/h1-7H,8H2,(H,15,17)(H,16,18)(H2,14,19,20)/f/h15-16H,14H2 DABD21D7D1F5F250