InChI=1/C19H13NO4S/c1-2-9-23-14-7-5-13(6-8-14)11-17-19(22)20-18(25-17)12-15(21)16-4-3-10-24-16/h1,3-8,10-12,21H,9H2/p-1/b15-12-,17-11-/fC19H12NO4S/h21h/q-1 A42010B9D80FEE8F