| abstract |
The present invention provides the following formula [1] An excellent therapeutic agent for rheumatoid arthritis comprising an aminostilbazole derivative represented by the formula (1) or a salt thereof as an active ingredient. Wherein A represents heteroaryl or an oxide thereof, B represents ethenylene, D represents phenylene, E represents the formula —N (R) SO 2 —G wherein G represents phenyl, R represents hydrogen, alkyl , -COR 0 and the like (R 0 represents alkyl, alkoxy, aryloxy, 5- to 6-membered heteroaryl, heteroarylmethyl, aminoalkylene or cyclic aminoalkylene). |