英文别名7-TMCA Cefmenoxime Nucleus Hydrochloride; Cefmenoxime impurity 7(Hydrochloride); 7-ATCA HCL; 7-ATCA.HCL; Cefotaxime hydrochloride mother nucleus; Cefmenoxime Impurity C14; (6R,7R)-7-Amino-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid hydrochloride