Pharmaceutical composition

摘要

A compound of formula (I), or a pharmaceutically acceptable salt thereof in which R1 and R2 are independently H or methyl (for example N, N-dimethyl-1-[1-(4-chlorophenyl)cyclobutyl]-3-methylbutyl amine hydrochloride optionally in the form of its monohydrate) is used for treating hiatial hernias and reflux esophagitis.