Eisai Company, Limited

Eisai R&d Management Co., Ltd.

Yoshiaki Oohashi

Tetsuya Kawahara

Mitsuaki Miyamoto

Richard S Clark

Fumihiro Ozaki

Kazuo Okano

Nobuaki Sato

Akiharu Kajiwara

Ieharu Hishinuma

Hiroshi Tanaka

Masanobu Shinoda

Fumiyoshi Matsuura

Itaru Tsukada

Atsushi Kamada

Makoto Kotake

Taro Terauchi

Toshiyuki Matsuoka

Yoshimitsu Naoe

Shuichi Suzuki

Motoji Kogushi

Osamu Ito

Akifumi Kimura

Hiroko Kobayashi

Ken-ichi Chiba

Naoto Ono

Syuhei Miyazawa

Tsutomu Kawata

Takashi Musha

Tsutomu Kawada

Takashi Musya

Ken-Ichi Chiba

Keni-Ichi Chiba

Takashii Musha

A 2-iminoimidazole derivative represented by the formula: {wherein R, Rand Rrepresent hydrogen, optionally substituted Calkyl, etc.; Rrepresents hydrogen, Calkyl, Calkyloxycarbonyl, etc.; Yrepresents a single bond, &#x2014;CH&#x2014;, etc.; Yrepresents a single bond, &#x2014;CO&#x2014;, etc.; and Ar represents hydrogen, a group represented by the formula: [wherein R&#x2013;Rrepresent hydrogen, Calkyl, hydroxyl, Calkoxy, etc., and Rand Ror Rand Rmay bond together to form a 5- to 8-membered heterocycle], etc.}or salt thereof.

2-iminoimidazole derivatives (2)

A 2-iminopyrrolidine derivative represented by the formula: {wherein ring B represents a benzene ring, pyridine ring, etc.; R&#x2013;Rrepresent hydrogen, halogen, Calkyl, etc.; Rrepresents hydrogen, Calkyl, Calkoxy-Calkyl, etc.; Rrepresents hydrogen, Calkyl, Calkyloxycarbonyl, etc.; Yrepresents a single bond, &#x2014;CH&#x2014;, etc.; Yrepresents a single bond, &#x2014;CO&#x2014;, etc.; and Ar represents hydrogen, a group represented by the formula: [wherein R&#x2014;Rrepresent hydrogen, Calkyl, hydroxyl, Calkoxy, etc.; and Rand Ror Rand Rmay bond together to form a 5- to 8-membered heterocyclic ring], etc.},or a salt thereof.

2-iminopyrrolidine derivatives

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Tsukuba, Japan

Yoshiaki Oohashi