A compound represented by the following formula (1) or a salt thereof:
The compound has an inhibitory activity on the production of interleukin-6, and is therefore useful as a therapeutic agent for a disease associated with interleukin-6, ocular inflammatory diseases and the like. In the formula, R1 represents a halogen atom, a hydrogen atom, a lower alkyl group which may have a substituent, a formyl group, or a lower alkylcarbonyl group which may have a substituent, R2 represents a bicyclic hydrocarbon group which may have a substituent or a bicyclic heterocyclic group which may have a substituent, R3 represents a hydrogen atom, a lower alkyl group which may have a substituent, an aryl group which may have a substituent, or an acyl group.
                            以下式(1)所表示的化合物或其盐:
该化合物具有抑制白细胞介素-6的产生活性,因此可用作治疗与白细胞介素-6、眼部炎症等相关的疾病的治疗剂。在该式中,R1代表卤素原子、氢原子、可能具有取代基的低碳基、甲酰基或可能具有取代基的低碳基酰基,R2代表可能具有取代基的双
环烃基或双环杂环基,R3代表氢原子、可能具有取代基的低碳基、可能具有取代基的芳基或酰基。