InChI=1/C18H22N2O5S2/c21-15(19-9-3-1-2-8-16(22)23)7-4-10-20-17(24)14(27-18(20)26)12-13-6-5-11-25-13/h5-6,11-12H,1-4,7-10H2,(H,19,21)(H,22,23)/p-1/b14-12-/fC18H21N2O5S2/h19H/q-1 17AC29251552B236