| abstract |
The present invention relates to a compound of the formula: <IMAGE> (I) wherein Y is a chemical bond, oxygen atom, phenyleneoxy, or oxyphenyleneoxy; R1 is hydrogen or hydrocarbon residue; and R2 is hydrocarbon residue having two or more carbon atoms, production and use thereof. The compound (I) of the present invention has an antioxidation activity and activities of preventing or improving functional disorders due to biologically active oxygen species, thus being useful as a pharmaceutical agent for prophylaxis and therapy of disorders in the circulatory system. |