Rosoxacin shows antibacterial activities against a broad spectrum of Gram-negative bacteria including Neisseria gonorrhoeae (MIC90 = 0.03mg/ml).

Oxolinic acid is a potent inhibitor of DNA gyrase and DNA synthesis, lead to DNA cleavage when extracted chromosomes are incubated with sodium dodecyl sulfate.

Lasalocid (Lasalocid-A) is an ion carrier antibiotic produced by Streptomyces, which has antimicrobial and parasitic properties and is often added to feed.