| abstract |
(57) [Problem] To provide a compound which has an excellent macrophage activity inhibitory activity and is useful as an anti-inflammatory agent, an anti-autoimmune disease agent or an anti-sepsis agent. A compound represented by the following general formula (I): R 1 , R 3 : a C 1 -C 20 alkanoyl group R 2 , R 4 which may be substituted with one or more groups selected from the following (substituent group A): selected from the following (substituent group A) A C 1 -C 20 alkyl group R 5 which may be substituted with one or more of the following groups: a hydrogen atom, a halogen atom, a hydroxyl group, a C 1 -C 6 alkoxy group (substituent group A): a halogen atom, a hydroxyl group, Oxo group, C 1 -C 20 alkoxy group, C 1 -C 20 alkanoyloxy group |