C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
167/223, 260/266
C07D 401/10 (2006.01) A61K 31/495 (2006.01) C07D 215/56 (2006.01)
Patent
CA 1262135
Title of the invention: Quinolonecarboxylic acid derivatives Abstract of the invention: Quinolonecarboxylic acid derivatives of the following formu- la, Image wherein R1, R, R3 and R4 are each independently hydrogen atom or lower alkyl group; the hydrates or the pharmaceutically accept- able acid addition or alkali salts thereof are useful as an antibacterial agent.
517708
Hirai Keiji
Ishizaki Takayoshi
Masuzawa Kuniyoshi
Suzue Seigo
Borden Ladner Gervais Llp
Kyorin Pharmaceutical Co. Ltd.
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