InChI=1/C11H16N4O4S/c1-12-11(17)14-13-10(16)8-6-4-5-7-9(8)15(2)20(3,18)19/h4-7H,1-3H3,(H,13,16)(H2,12,14,17)/f/h12-14H 97B48BEA85C49419