InChI=1/C19H19NO5S/c1-3-4-13-25-16-9-11-17(12-10-16)26(23)18(19(21)20-22)14-5-7-15(24-2)8-6-14/h5-12,18,22H,13H2,1-2H3,(H,20,21)/t18-,26-/m1/s1/f/h20H 5F562F9A4EB3F2CA