InChI=1/C14H20N4O4S/c1-4-15-14(20)16-17-23(21,22)12-5-6-13-11(8-12)7-9(2)18(13)10(3)19/h5-6,8-9,17H,4,7H2,1-3H3,(H2,15,16,20)/t9-/m0/s1/f/h15-16H 4DB56CBC5048E07F