Aromatic compound and pharmaceutical composition

摘要

An aromatic compound of the formula (I): <IMAGE> (I) specifically, for example, 3-[[(4-carboxyphenyl)methyl]valeramido]-4-dimethylaminobenzoic acid 4'-methylpiperazide, or a salt thereof, and a pharmaceutical composition comprising said aromatic compound or pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier or diluent which provides sufficiently effective alleviation of renal dysfunction without affecting blood pressure at a low blood concentration.