| abstract |
Th1 / Th2 selective immunomodulator, more particularly useful as a drug for local administration used in the treatment or prevention of allergic diseases, viral diseases or cancer, Formula (1): [Wherein A is the following formula (2): (Wherein R 2 represents a substituted or unsubstituted alkyl group, R 3 represents a hydrogen atom or an alkyl group, R represents a halogen atom, etc., and n represents an integer of 0 to 2). X 1 represents an oxygen atom, Z represents a linear or branched alkylene, and R 1 may be substituted with a hydroxyl group, an alkoxy group, an alkoxycarbonyl group, or the like. Represents an alkyl group or the like; ) Or an pharmaceutically acceptable salt thereof. |