InChI=1/C12H11NO4S2/c14-12(15)11-10(6-7-18-11)19(16,17)13-8-9-4-2-1-3-5-9/h1-7,13H,8H2,(H,14,15)/p-1/fC12H10NO4S2/q-1 EB3A140E792DDC60