InChI=1/C19H14ClNO4S/c1-25-16-5-3-2-4-13(16)12-7-6-11(10-15(12)20)21-18(22)14-8-9-26-17(14)19(23)24/h2-10H,1H3,(H,21,22)(H,23,24)/p-1/fC19H13ClNO4S/h21H/q-1 D833A28AD5F53605