InChI=1/C21H21NO5S/c1-14-16(13-21(23)24)12-20(15-4-10-19(11-5-15)28(3,25)26)22(14)17-6-8-18(27-2)9-7-17/h4-12H,13H2,1-3H3,(H,23,24)/p-1/fC21H20NO5S/q-1 80A40DE849E7F221