InChI=1/C21H21NO5S/c1-13(12-28-21(26)14-6-4-3-5-7-14)19(23)22-17-9-8-16(27-2)10-15(17)11-18(22)20(24)25/h3-10,13,18H,11-12H2,1-2H3,(H,24,25)/p-1/t13-,18-/m1/s1/fC21H20NO5S/q-1 4EAC3EBEE7101851