Solid citrate and tartrate salts of 1-(2-[pyrrolidin-3-ylamino]-acetyl)-pyrrolidine-2-boronic acid.

摘要

Disclosed is a substantially non-deliquescent solid form of a citrate or a tartrate salt of a pyrrolidine compound such as 1-(2-[pyrrolidin-3-ylamino]-acetyl)-pyrrolidine-2-boronic acid as represented by the formula (I), a cyclic isomer thereof, or any hydrate or solvate thereof; as well as all stereoisomers and stereomeric mixtures thereof. Also disclosed is a composition which comprises a salt as defined above for the treatment of diabetes and other related conditions.