InChI=1/C21H25NO4S/c1-15(12-25-18-7-5-17(6-8-18)22(3)4)14-27-19-9-10-20(16(2)11-19)26-13-21(23)24/h5-11H,1,12-14H2,2-4H3,(H,23,24)/p-1/fC21H24NO4S/q-1 C3716EDE2E292710