InChI=1/C21H17N3O5S/c1-13-2-6-15(7-3-13)24-21(26)18(20(25)23-24)12-16-8-11-19(29-16)14-4-9-17(10-5-14)30(22,27)28/h2-12H,1H3,(H,23,25)(H2,22,27,28)/b18-12-/f/h23H,22H2 AF77966DBD2A1660