Benzo five-membered nitrogen heterocyclic piperidine or piperazine derivatives and preparation methods and pharmaceutical compositions thereof

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专利权人:

发明人:

Yan Zhou,Lirong Zhang,Jie Zhou,Xin Zhou

申请号：

US14647378

公开号：

US09802929B2

申请日:

2013.11.25

申请国别(地区):

US

年份:

2017

代理人:

摘要：

Compounds of formula (I) and its pharmaceutically acceptable salts are describedwherein R1, R2, X, Y, A, B are as defined in the specification. Also disclosed are methods for preparing the compounds of formula (I) or pharmaceutically acceptable salts thereof, and pharmaceutical compositions comprising the compounds of formula (I) or pharmaceutically acceptable salts thereof.

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