InChI=1/C19H24N4O4S/c1-3-23(4-2)28(25,26)17-12-10-16(11-13-17)21-18(24)14-27-22-19(20)15-8-6-5-7-9-15/h5-13H,3-4,14H2,1-2H3,(H2,20,22)(H,21,24)/p+1/fC19H25N4O4S/h21-22H,20H2/q+1 5DB450F2AAB295CF