Organic dicarboxylic acids, salts and preparation method thereof

摘要

Organic dicarboxylic acid compounds, salts and preparation methods thereof are described. The compounds have activity of resisting oxidation damage to crystalline lens of eyes. The structures of the above organic dicarboxylic acid compounds are shown as wherein R is a hydrogen atom, a C1-3 alkyl group, a C1-3 alkoxyl group, or a halogen atom.