Eisai Company, Limited

Eisai R&d Management Co., Ltd.

Ken-ichi Nomoto

Tatsuo Watanabe

Yasuhiro Funahashi

Akihiko Tsuruoka

Masayuki Matsukura

Keiko Takahashi

Kazuki Miyazaki

Yuji Yamamoto

Tomohiro Matsushima

Hiroshi Obaishi

Toru Haneda

Junji Matsui

Junichi Kamata

Yoshio Fukuda

Atsumi Yamaguchi

Katsuji Nakamura

Fusayo Mimura

Sachi Suzuki

Yasuyuki Suzuki

Itaru Arimoto

Takako Yoshiba

Kenji Matsui

Compounds represented by the following general formula: [wherein Ais an optionally substituted 5- to 14-membered heterocyclic group, etc.; Xis &#x2014;O&#x2014;, &#x2014;S&#x2014;, etc.; Yis an optionally substituted Caryl group, an optionally substituted 5- to 14-membered heterocyclic group, etc.; and Tis a group represented by the following general formula: (wherein Eis a single bond or &#x2014;N(R)&#x2014;, Rand Reach independently represent a hydrogen atom, an optionally substituted Calkyl group, etc. and Zrepresents a Calkyl group, a Calicyclic hydrocarbon group, a Caryl group, etc.)], salts thereof or hydrates of the foregoing.

Nitrogen-containing aromatic derivatives

Compounds represented by the following general formula: [wherein Ais an optionally substituted 5- to 14-membered heterocyclic group, etc.; Xis &#x2014;O&#x2014;, &#x2014;S&#x2014;, etc.; Yis an optionally substituted Caryl group, an optionally substituted 5- to 14-membered heterocyclic group, etc.; and Tis a group represented by the following general formula: (wherein Eis a single bond or &#x2014;N(R)&#x2014;, Rand Reach independently represent a hydrogen atom, an optionally substituted Calkyl group, etc. and Zrepresents a Calkyl group, a Calicyclic hydrocarbon group, a Caryl group, etc.)],

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Tsukuba, Japan

Ken-ichi Nomoto