InChI=1/C13H16N4O4S/c1-16-10-15-13(17(18)19)12(16)14-8-5-9-22(20,21)11-6-3-2-4-7-11/h2-4,6-7,10,14H,5,8-9H2,1H3 0FB886DCA7FA2ECE