InChI=1/C18H19NO7S/c1-10-6-12(7-17(11(10)2)27(24,25)19-3)18(23)26-9-16(22)14-5-4-13(20)8-15(14)21/h4-8,19-21H,9H2,1-3H3 6AA8888D413003F8