InChI=1/C19H14N2O4S2/c1-26-19-21-14-6-4-12(8-16(14)27-19)20-17(22)10-24-13-5-2-11-3-7-18(23)25-15(11)9-13/h2-9H,10H2,1H3,(H,20,22)/f/h20H 915803083F414F9F