InChI=1/C12H15N5O4S/c1-20-11-15-10(16-12(17-11)21-2)14-7-8-3-5-9(6-4-8)22(13,18)19/h3-6H,7H2,1-2H3,(H2,13,18,19)(H,14,15,16,17)/f/h14H,13H2 5239B15E9B3C9F09