Levonadifloxacin (WCK 771) is a novel broad-spectrum anti-methicillin-resistant (MRSA) agent recently launched in India. Five process impurities and one degradation impurity were synthesized as reference standards for their quantification by high-performance liquid chromatography (HPLC) methodology in drug substance and drug product. These compounds are not easily commercially available. The synthesis and characterization of these impurities are discussed in detail.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8582070PMC
http://dx.doi.org/10.1021/acsomega.1c04639DOI Listing

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