The present invention relates to a stable crystalline form of N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)-4-quinazolinamine hydrochloride designated the B polymorph, its production in essentially pure form, and its use. The invention also relates to the pharmaceutical compositions containing the stable...http://www.google.es/patents/US6900221?utm_source=gb-gplus-sharePatente US6900221 - Stable polymorph on N-(3-ethynylphenyl)-6, 7-bis (2methoxyethoxy)-4-quinazolinamine hydrochloride, methods of production, and pharmaceutical uses thereof
Stable polymorph on N-(3-ethynylphenyl)-6, 7-bis (2methoxyethoxy)-4 ...
