| 摘要 |
The present invention uses a compound represented by general formula (II) or a pharmacologically acceptable salt thereof as a P2X4 receptor antagonist. (In the formula, R11 and R12 each represents a hydrogen atom, an alkyl group having 1-8 carbon atoms, or the like; R13 represents a hydrogen atom, an alkyl group having 1-8 carbon atoms, or the like; R14 represents an alkoxy group having 1-8 carbon atoms, a hydroxyl group, a cyano group, an optionally substituted heterocyclic group or the like; and AA represents a naphthalene ring or the like.)
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