A compound of formula (I):
wherein
A
1
represents 2,3-dihydro-1-benzofuran-7-yl, 5-fluoro-2-methoxy-phenyl or 5-fluoro-2-hydroxy-phenyl;
X represents —C(R
3
)— or nitrogen;
when X represents —C(R
3
)—, R
2
represents hydrogen and R
1
represents fluorine, R
3
represents hydrogen or fluorine,
when X represents —C(R
3
)— and R
2
and R
1
each represent hydrogen, R
3
represents hydrogen, hydroxy, methoxy or fluorine,
when X represents —C(R
3
)— and R
2
represents hydroxy, methoxy, —CO
2
CH
3
or —CO
2
CH
2
CH
3
, R
1
and R
3
each represent hydrogen,
when X represents nitrogen, R
1
and R
2
each represent hydrogen; and
Y represents H or methyl;
or a physiologically functional derivative thereof.
化合物公式(I):其中A1代表2,3-二
氢-1-
苯并呋喃-7-基,5-
氟-2-
甲氧基苯基或5-
氟-2-羟基
苯基;X代表- C(R3)-或
氮;当X代表- C(R3)-时,R2代表
氢,R1代表
氟,R3代表
氢或
氟;当X代表- C(R3)-且R2和R1均代表
氢时,R3代表
氢、羟基、甲
氧基或
氟;当X代表- C(R3)-且R2代表羟基、甲
氧基、- CO2CH3或- CO2CH2CH3时,R1和R3均代表
氢;当X代表
氮时,R1和R2均代表
氢;Y代表H或
甲基;或其生理学上的功能衍
生物。