InChI=1/C20H21N3O5S/c1-13-3-7-17(8-4-13)23-12-15(11-19(23)25)20(26)21-16-5-9-18(10-6-16)29(27,28)22-14(2)24/h3-10,15H,11-12H2,1-2H3,(H,21,26)(H,22,24)/p-1/t15-/m1/s1/fC20H20N3O5S/h21H/q-1 5AB2971F48A6BABA