InChI=1/C20H21N3O5S/c21-29(27,28)11-5-7-17-14(9-11)15(20(26)23-17)10-18-13(6-8-19(24)25)12-3-1-2-4-16(12)22-18/h5,7,9-10,22H,1-4,6,8H2,(H,23,26)(H,24,25)(H2,21,27,28)/p-1/b15-10-/fC20H20N3O5S/h23H,21H2/q-1 6ECBEAE109E0C038