InChI=1/C13H13NO5S/c1-17-9-4-2-8(3-5-9)10-18-6-13(7-19-10)11(15)14-12(16)20-13/h2-5,10H,6-7H2,1H3,(H,14,15,16)/f/h14H 47C041F2C00429B9