Adenine compound and use thereof

摘要: A drug for topical administration which is effective as an antiallergic agent. The contains active ingredient either adenine compound represented by the general formula (1): (1) [wherein ring represents a 6- to 10-membered, mono- or bicyclic, aromatic carbocycle 5- heterocycle containing one three heteroatoms selected among zero two nitrogen atoms, oxygen atom, and sulfur atom; n integer of 0 2; m R halogeno, (un)substituted alkyl, etc.; X1 oxygen, sulfur, NR1 (R1 hydrogen alkyl), single bond; Y1 bond, alkylene, Y2 Z alkylene; at least Q1 Q2 -COOR10 (wherein R10 etc.), etc.] pharmaceutically acceptable salt compound.