InChI=1/C18H20N4O4S2/c1-22(2)10-9-20-28(24,25)14-6-3-12(4-7-14)15-8-5-13(26-15)11-16-17(23)21-18(19)27-16/h3-8,11,20H,9-10H2,1-2H3,(H2,19,21,23)/p+1/b16-11-/fC18H21N4O4S2/h19,21-22H/q+1/b16-11-,19-18? BBA41AE5901A787B