| abstract |
A compound selected from those of formula (1): wherein W represents aryl, arylalkyl, heteroaryl, or heteroarylalkyl, each being optionally substituted, R1 represents alkyl, alkenyl, alkynyl, aryl, cycloalkyl, arylalkyl, or cycloalkylalkyl, each being optionally substituted. R2 is as defined in the description, its isomers, and addition salts thereof with a pharmaceutically-acceptable acid or base, and medicinal products containing the same which are useful as anti-oxidation agents. |