InChI=1/C18H20N4O4S/c1-3-27(25,26)22-14-7-5-4-6-13(14)17(23)19-11(2)12-8-9-15-16(10-12)21-18(24)20-15/h4-11H,3H2,1-2H3,(H4,19,20,21,22,23,24)/p-1/t11-/m1/s1/fC18H19N4O4S/h19-21H/q-1 BED4C0B4909C489E