InChI=1/C17H20N4O4S/c1-9(10-5-6-11-12(7-10)25-8-24-11)18-13(22)14(23)19-16-21-20-15(26-16)17(2,3)4/h5-7,9H,8H2,1-4H3,(H,18,22)(H,19,21,23)/t9-/m0/s1/f/h18-19H 2C4DE19FFA195571