| 摘要 |
The present invention relates to an excellent remedial agent for chronic rheumatoid arthritis, comprising an aminostilbazole derivative represented by the following formula [1] or a salt thereof as an active ingredient: A-B-D-E [1] Wherein A represents heteroaryl or an oxide thereof, B represents ethenylene, D represents phenylene, E represents the formula: -N(R)SO2-G [wherein G represents phenyl, R represents hydrogen, alkyl, or -COR<0 >(R<0 >represents alkyl, alkoxy, aryloxy, 5- to 6-membered heteroaryl, heteroarylmethyl, aminoalkyleneor cyclicaminoalkylene) or the like].
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