InChI=1/C21H17N3O5S2/c1-24(14-4-6-15(25)7-5-14)21-23-20(26)19(30-21)12-16-8-11-18(29-16)13-2-9-17(10-3-13)31(22,27)28/h2-12,25H,1H3,(H2,22,27,28)/b19-12-/f/h22H2 297ED621A6ABAA4C