InChI=1/C19H15NO7S/c21-19(26-12-14-6-4-5-9-17(14)20(22)23)18-11-10-15(27-18)13-28(24,25)16-7-2-1-3-8-16/h1-11H,12-13H2 FAB70B7CFD2552CC