Novel compounds which are amide derivatives represented by general formula (I) and medicinal preparations containing the same having an eosinophilic infiltration inhibitory effect based on a potent interferon (.alpha.,.gamma.)-inducing activity and an exellent percutaneous absorbability and being efficacious in treating allergic inflammatory diseases such as atopic dermatitis, various tumors and viral diseases. In said formula, each symbol has the following meaning: R.sub.1 and R.sub.2 : each lower alkyl, etc.; X and Y: independently representing each oxygen, NR.sub.4, CR.sub.5 etc. (wherein R.sub.4 and R.sub.5 independently represent each hydrogen, an aromatic group, etc.); Z: an aromatic ring or heterocycle; R.sub.3 : hydrogen, lower alkoxy, etc.; g, i and k: independently representing each an integer of from 0 to 6; h, i and l: independently representing each an integer of 0 or 1; m: an integer of from 0 to 5; and n: an integer of from 2 to 12.