InChI=1/C19H17N3O4S/c1-26-17-6-4-5-14(19(17)23)13-21-15-8-10-16(11-9-15)27(24,25)22-18-7-2-3-12-20-18/h2-13,23H,1H3,(H,20,22)/f/h22H 76B0B1D22FF964B9