NOUVELLES FORMES CRISTALLINES D'ACIDE {[5-(3-CHLOROPHENYL)-3-HYDROXYPYRIDINE-2-CARBONYL]AMINO} ACETIQUE ET PROCEDES DE PREPARATION ASSOCIES

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专利权人:

CRYSTAL PHARMACEUTICAL (SUZHOU) CO.; LTD.

发明人:

CHEN, MINHUA,ZHANG, YANFENG,ZOU, PO,WANG, JINQIU,ZHANG, XIAOYU

申请号：

CA3046377

公开号：

CA3046377A1

申请日:

2017.12.13

申请国别(地区):

CA

年份:

2018

代理人:

摘要：

The present invention relates to new crystal forms of {[5-(3-chlorophenyl)-3-hydroxypyridine-2-carbonyl]amino}acetic acid, and a preparation method therefor and uses thereof. A crystal form CS1, a crystal form CS2 and a crystal form CS3 of the {[5-(3-chlorophenyl)-3-hydroxypyridine-2-carbonyl]amino}acetic acid prepared in the present invention can be used for preparing pharmaceutical preparations used for treating anemia, and provides a new choice for preparing pharmaceutical preparations containing {[5-(3-chlorophenyl)-3-hydroxypyridine-2-carbonyl]amino}acetic acid, and has very important value for drug development.

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