InChI=1/C21H21NO5S/c1-13(23)28-18(12-19(24)22-10-4-7-17(22)21(26)27)20(25)16-9-8-14-5-2-3-6-15(14)11-16/h2-3,5-6,8-9,11,17-18H,4,7,10,12H2,1H3,(H,26,27)/p-1/t17-,18-/m0/s1/fC21H20NO5S/q-1 C8D5E209464B2D55