Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 23, 2018
Patent Application Number
14903382
Date Filed
July 11, 2014
Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention relates to a compound represented by the following general formula (II), wherein, in the formula, R1a to R6a represent hydrogen atom, an alkyl group having 1 to 8 carbon atoms, and the like, Xa represents C or N, Ya represents N or C(═O), provided that when Xa is C, Ya represents N, and when Xa is N, Ya represents C(═O), the double line consisting of the solid line and the broken line represents a single bond or double bond, Aa represents benzene ring, pyridine ring, and the like, Da represents tetrazole ring, imidazole ring, and the like, Ea represents —(CR9aR10a)p-Ta-, and Ga represents benzene ring, pyridine ring, and the like, which has a P2X4 receptor antagonistic activity.
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