InChI=1/C17H14N2O3S/c20-15(10-5-3-6-10)19-17-18-13(9-23-17)12-8-11-4-1-2-7-14(11)22-16(12)21/h1-2,4,7-10H,3,5-6H2,(H,18,19,20)/f/h19H 95580A22E7F41B1A