InChI=1/C19H22N4O5S/c1-22(2)29(26,27)17-10-8-14(9-11-17)21-18(24)20-12-16-13-23(19(25)28-16)15-6-4-3-5-7-15/h3-11,16H,12-13H2,1-2H3,(H2,20,21,24)/t16-/m0/s1/f/h20-21H 1E87F10652E88E60