InChI=1/C13H17NO5S/c1-18-9-3-4-10(11(7-9)19-2)14(8-13(16)17)12(15)5-6-20/h3-4,7,20H,5-6,8H2,1-2H3,(H,16,17)/p-1/fC13H16NO5S/q-1 B808FE66B83360AB