PSEUDOPOLYMORPH OF (-)-CIS-2-(2-CHLOROPHENYL)-5,7- DIHYDROXY-8[4R- (3S - HYDROXY-1-METHYL)PIPERIDINYL]- 4H-1-BENZOPYRAN - 4 - ONE, ITS PREPARATION AND PHARMACEUTICAL COMPOSITIONS COMPRISING IT

摘要

The present invention comprises a pseudopolymorph of (-)-cis-2-(2-chlorophenyl)-5,7-dihydroxy-8[4R-(3S-hydroxy-1-methyl)piperidinyl]-4H-1-benzopyran-4-one hydrochloride, a method of making same, a pharmaceutical composition and methods of using the pseudopolymorph.