InChI=1/C21H17N3O5S/c1-14(20(25)23(11-5-10-22)16-6-3-2-4-7-16)29-21(26)19-13-15-12-17(24(27)28)8-9-18(15)30-19/h2-4,6-9,12-14H,5,11H2,1H3/t14-/m0/s1 4BE6E50DBA39537C