ANHYDROUS AND HEMIHYDRATE CRYSTALLINE FORMS OF AN (R)-BACLOFEN PRODRUG, METHODS OF SYNTHESIS AND METHODS OF USE

摘要

Crystalline (3R)-4-{[(1S)-2-methyl-1-(2-methylpropanoyloxy)propoxy]carbonylamino}-3-(4-chlorophenyl)butanoic acid anhydrate and crystalline (3R)-4-{[(1S)-2-methyl-1-(2-methylpropanoyloxy)propoxy]carbonylamino}-3-(4-chlorophenyl)butanoic acid hemihydrate, pharmaceutical compositions comprising such compounds, methods of making and methods of using the same are disclosed.