InChI=1/C19H13N3O3S/c23-17-16-11-5-1-4-8-14(11)26-18(16)21-15(20-17)9-10-22-12-6-2-3-7-13(12)25-19(22)24/h1-8H,9-10H2,(H,20,21,23)/f/h20H B5D2C5F4FB25847B