Shin Nippon Biomedical Laboratories, Ltd.

Nobuyuki Suzuki

Hidetoshi Yamashita

To provide an OCT3 activity inhibitor having a different basic skeleton than that of conventional OCT3 activity inhibitors. This inhibitor of organic cation transporter 3 (OCT3) contains, as an active component, an imidazo[1,2-a]pyridine derivative, a pharmaceutically acceptable salt thereof, or a pharmaceutically acceptable solvate thereof.

OCT3 activity inhibitor containing imidazopyridine derivative as active component, and OCT3 detection agent

[Problem] The present invention addresses the problem of providing a novel compound. The present invention also addresses the problem of providing an OCT3 detection agent or an OCT3 activity inhibitor, which comprises the novel compound. [Solution] A compound represented by formula (A), a pharmaceutically acceptable salt thereof, or a pharmaceutically acceptable solvate thereof.R-R-R-R&#x2003;&#x2003;(A)

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Kagoshima, Japan

Nobuyuki Suzuki