A drug for topically administration which is effective as an antiallergic agent. The drug for topically administration contains as an active ingredient an adenine compound represented by the general formula (1):
[wherein ring A represents a 6 to 10 membered, mono or bicyclic, aromatic hydrocarbon or a 5 to 10 membered, mono or bicyclic, aromatic heterocycle containing one to three heteroatoms selected among 0 to 2 nitrogen atoms, 0 or 1 oxygen atom, and 0 or 1 sulfur atom; n is an integer of 0 to 2; m is an integer of 0 to 2; R represents halogeno, (un)substituted alkyl, etc.; X
1
represents oxygen, sulfur, NR
1
(R
1
represents hydrogen or alkyl), or a single bond; Y
1
represents a single bond, alkylene, etc.; Y
2
represents a single bond, alkylene, etc.; Z represents alkylene; and at least one of Q
1
and Q
2
represents —COOR
10
(wherein R
10
represents (un)substituted alkyl, etc.), etc.] or a pharmaceutically acceptable salt of the compound.
这是一种适用于局部给药的药物,可作为抗过敏剂使用。该药物含有一种
腺嘌呤化合物作为活性成分,其通用式表示为(1):[其中环A代表6至10个成员、单环或双环、芳香族碳氢化合物或5至10个成员、单环或双环、芳香族杂环,其中选自0至2个氮原子、0或1个氧原子和0或1个
硫原子中的一到三个杂原子;n为0至2的整数;m为0至2的整数;R代表卤素、(未)取代烷基等;X1代表氧、
硫、NR1(R1代表氢或烷基)或单键;Y1代表单键、亚烷基等;Y2代表单键、亚烷基等;Z代表亚烷基;Q1和Q2中至少一个代表—COOR10(其中R10代表(未)取代烷基等),等等]或该化合物的药学上可接受的盐。