4-ALKANOYLAMINO-3-PYRAZOLONE DERIVATIVE

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专利权人:

发明人:

申请号：

EP13768519.4

公开号：

EP2832733A1

申请日:

2013.03.29

申请国别(地区):

EP

年份:

2015

代理人:

摘要：

The present invention provides a compound which enhances the production of erythropoietin. The present invention provides, for example, a compound represented by the formula (1) wherein R1 : -Q1, -Q1-X-Q2, or -Q1-X-Q2-Y-Q3 Q1: a monocyclic or bicyclic aromatic heterocyclic group Q2, Q3 : an aromatic hydrocarbon ring group or a monocyclic aromatic heterocyclic group X: -CONH-, -CONHCH2-, -CH2OCH2-, -NHCH2CH2-, or the like Y: a single bond, -O-, - (CH2)n-, or -O-(-CH2)n- m, n: an integer from 1 to 3 R2: H or an alkyl group and R3: H, an alkoxycarbonyl group, a carboxy group, an aromatic hydrocarbon ring group, or a monocyclic aromatic heterocyclic group.

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