InChI=1/C19H21NO4S/c21-18(6-2-1-4-16-5-3-9-25-16)20-15-8-7-13-12-24-17(19(22)23)11-14(13)10-15/h3,5,7-10,17H,1-2,4,6,11-12H2,(H,20,21)(H,22,23)/p-1/t17-/m1/s1/fC19H20NO4S/h20H/q-1 A7CFEB24856A03D0