NINGBO INNO PHARMCHEM CO.,LTD. provides an overview of Ethyl 6,7-difluoro-1-methyl-4-oxo-4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylate (CAS 113046-72-3) and its crucial role in synthesizing the antibiotic Prulifloxacin.