InChI=1/C16H18N4O4S/c21-20(22)14-6-7-16(17-12-14)19-10-8-13(9-11-19)18-25(23,24)15-4-2-1-3-5-15/h1-7,12-13,18H,8-11H2 7FA532C0DC67E451