The purpose of the present invention is to provide a drug that contains a compound having an excellent therapeutic effect on inflammatory bowel disease. The therapeutic agent for inflammatory bowel disease contains as an active ingredient a compound represented by formula (I) [in general formula (I), R1 represents a hydroxy C1-C6 alkyl group, C2-C7 alkanoyl group, C2-C7 alkanoyl C1-C6 alkyl group, (C1-C6 alkoxy)carbonyl group, (C1-C6 alkoxy)carbonyl C1-C6 alkyl group, carboxy group, or carboxy C1-C6 alkyl group] or a pharmaceutically acceptable salt thereof.
