InChI=1/C21H21NO4S/c1-14-4-8-18(9-5-14)22-15(2)17(13-21(23)24)12-20(22)16-6-10-19(11-7-16)27(3,25)26/h4-12H,13H2,1-3H3,(H,23,24)/p-1/fC21H20NO4S/q-1 38486DC8687E1C59