Wakunaga Pharmaceutical Co., Ltd.

Asuka Sakurai

Satoshi Inoue

Yasuhiro Kuramoto

Kouji Nishimura

Tatsuya Hirano

Daichi Kazamori

Tomohiko Kinoshita

Ayuka Sasaki

Mai Arai

A pyridonecarboxylic acid derivative or a salt thereof is represented by Formula (1), where Ris hydrogen, a halogen atom, a lower alkyl group, or an amino group; Ris &#x2014;NH&#x2014;R, where Ris hydrogen, a lower alkyl group, an amino lower alkyl group, or the like; &#x2014;O&#x2014;R, where Ris hydrogen, a lower alkyl group, or the like; &#x2014;(CH)&#x2014;R, where Ris an amino group or the like, m is 1, 2, 3 or 4; or a cyclic amino group of Formula (2), where Y represents NH or C&#x2014;RR, where Rand Rare each independently hydrogen, a lower alkyl group, an amino group, a lower alkyl amino group, or the like; n and p are 1 or 2; Ris hydrogen, a halogen atom, a lower alkyl group, or the like; Ris hydrogen or a carboxyl group-protecting group; and Ris hydrogen or a hydroxyl group-protecting group. 

Pyridonecarboxylic acid derivative or salt thereof

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Akitakata, Japan

Asuka Sakurai