InChI=1/C19H19N3O4S/c23-17-10-26-14-7-6-12(8-13(14)20-17)18(24)21-22-19(25)16-9-11-4-2-1-3-5-15(11)27-16/h6-9H,1-5,10H2,(H,20,23)(H,21,24)(H,22,25)/f/h20-22H B4ECCE36E2AFD147