InChI=1/C14H12N2O5S2/c1-21-14(18)13-11(4-5-22-13)16-23(19,20)9-2-3-10-8(6-9)7-12(17)15-10/h2-6,16H,7H2,1H3,(H,15,17)/f/h15H 7061ADCD894C1AC2