5-ARYLPYRROLE DERIVATIVES

摘要

Compounds represented by general formula (I) or salts thereof and antiinflammatory agents and antitumor agents containing these compounds as the active ingredient, wherein R1 represents hydrogen or lower alkyl; R2 represents lower alkyl or (CH2)n1 COOH (wherein n1 is 1, 2 or 3); R3 represents hydrogen, halogeno, carboxy, etc.; R4 represents phenyl optionally having a specific substituent, dicyclic heteroaryl, phenylethynyl or lower alkynyl; and R5 represents lower alkyl, amino, etc.