| abstract |
(57) [Problem] To provide a skin disease prevention / treatment / amelioration agent for fundamentally preventing, treating and improving skin diseases, more preferably non-infectious skin diseases, further preferably psoriasis or atopic dermatitis. I do. SOLUTION: The following general formula: Wherein A is a group represented by the following chemical formula: Or a single bond, R 1 is a group represented by the following chemical formula: (Wherein, R 2 represents a methoxyphenyl group or a methyl group, and X represents an atom or an atomic group that can be an anion.) Or a group represented by the following chemical formula: Means Or a pharmaceutically acceptable salt thereof as an active ingredient. |