Sodium salts of 5-'4-'2-(N-methyl-N-(2-pyridyl) amino) ethoxy!benzyl!thiazolidine -2, 4-dione

摘要

A compound 5-[4-[2-(N-methyl-N-(2-pyridyl)amino)ethoxy]benzyl]thiazolidine-2,4-dione sodium salt, or a pharmaceutically acceptable solvate thereof, characterised in that the sodium salt is non-hygroscopic or slightly hygroscapic; a pharmaceutical composition containing such a compound and the use of such a compound in medicine.