InChI=1/C19H13N3O4S/c23-17-16-15(13-4-2-1-3-5-13)11-27-18(16)21(19(24)20-17)10-12-6-8-14(9-7-12)22(25)26/h1-9,11H,10H2,(H,20,23,24)/f/h20H 7310E8AB0473B8A1