Provided is a sulfonamide derivative represented by the following general formula (1) and having an α4 integrin inhibitory effect with high selectivity with a low effect on α4β1 and a high effect on α4β7, or a pharmaceutically acceptable salt thereof (in the general formula (1), A, B, D, E, R41, and a to h are as described in the description).
本发明提供了由以下通式(1)表示的磺酰胺衍
生物,其具有高选择性的α4整合素抑制作用,对α4β1的作用较低,而对α4β7的作用较高,或其药学上可接受的盐(在通式(1)中,A、B、D、E、R41和a至h如说明书所述)。