发明授权
US3985753A 7-Hydroxy-benzo[ij]quinolizine-2-carboxylic acids and derivatives thereof 失效
7-羟基 - 苯并[d]恶嗪-2-羧酸及其衍生物

7-Hydroxy-benzo[ij]quinolizine-2-carboxylic acids and derivatives thereof
摘要:
Certain substituted 6,7-dihydro-7-hydroxy-1-oxo-1H,5H-benzo[ij]quinolizine-2-carboxylic acids and salt and ester derivatives thereof are described. These compounds are useful antibacterial agents.
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