The compound represented by the general formula (I): wherein, a fused ring AB represents a 5- to 10-membered fused heterocyclic ring; R.sup.1 represents (1) a hydrogen atom, (2) a halogen atom, (3) a cyano group, (4) an oxo group, (5) an optionally protected hydroxyl group, (6) an optionally protected carboxyl group, (7) an optionally protected amino group, (8) a cyclic group which may have a substituent (s), (9) an aliphatic hydrocarbon group which may have a substituent (s), or (10) an optionally protected thiol group; n represents 0 or an integer of 1 to 8; provided that n represents an integer of not less than 2, plural R.sup.1 are the same or different; a salt thereof, a solvate thereof or a prodrug thereof has a kinase (especially c-Jun N-terminal kinase) inhibitory activity and an inhibitory activity of a function of AP-1 as a transcription factor, it is useful as a preventive and/or therapeutic agent for a for example, a diabetes of metabolic disease, etc., a rheumatoid arthritis of inflammatory, etc.