nalidixic acid

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nalidixic acid

[¦nal·ə¦dik·sik ′as·əd]
(pharmacology)
C12H12N2O3 Pale buff, crystalline powder; melting point is 229-230°C; soluble in chloroform and in potassium hydroxide and sodium hydroxide solutions; used as an antibacterial drug in humans and animals.