COMPOUND HAVING GLYCINE TRANSPORTER INHIBITION ACTIVITY

摘要

A compound of the formula: [wherein each of R1, R2 and R3 represents a hydrogen atom or a methyl group; R4 represents a hydrogen atom or a hydroxyl group; and R5 represents a hydrogen atom or a methyl group] is a novel physiologically active substance exhibiting an inhibition activity to the glycine transporter of glia cells, and is useful as a therapeutic agent for comprehensive ataxia.