InChI=1/C16H18N4O4S/c1-20(25(23,24)14-5-3-2-4-6-14)11-15(21)18-12-7-9-13(10-8-12)19-16(17)22/h2-10H,11H2,1H3,(H,18,21)(H3,17,19,22)/f/h18-19H,17H2 1A8316846E33B277