A compound having the following formula (II) or a pharmacologically acceptable salt thereof is used as a P2X
4
receptor antagonist:
wherein each of R
11
and R
12
is hydrogen, C
1-8
alkyl or the like;
R
13
is hydrogen, C
1-8
alkyl or the like;
R
14
is hydrogen, C
1-8
alkyl, C
1-8
alkoxy, C
1-8
alkyl having 1-3 halogens, C
1-8
hydroxyalkyl, halogen, hydroxyl, nitro, cyano, amino, C
1-8
alkylamino, benzenesulfonylamino optionally having a substituent, a heterocyclic group optionally having a substituent or the like; and
the condensed ring consisting of W
1
and the neighboring benzene ring is naphthalene, tetrahydronaphthalene, or indan ring.
                            以下化合物(II)或其药学上可接受的盐被用作P2X4受体拮抗剂:
其中R11和R12中的每一个都是氢,C1-8烷基或类似物;
R13是氢,C1-8烷基或类似物;
R14是氢,C1-8烷基,C1-8烷氧基,具有1-3个卤素的C1-8烷基,C1-8羟基烷基,卤素,羟基,硝基,
氰基,
氨基,C1-8烷基
氨基,苯磺酰
氨基(可选取代基),杂环基(可选取代基)或类似物;
并且由W1和相邻苯环组成的融合环是
萘环,四氢
萘环或
茚环。