InChI=1/C21H19N3O4S2/c25-23(26)18-6-10-20(11-7-18)29-15-22(14-17-4-2-1-3-5-17)16-30-21-12-8-19(9-13-21)24(27)28/h1-13H,14-16H2 6DF1BD41FEA1F600