英文别名Deacetylcephalothin; Des-acetyl Cephalothin; (6R)-3-(Hydroxymethyl)-8-oxo-7α-[(2-thienylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid; (7R)-3-(Hydroxymethyl)-7β-(2-thienylacetylamino)cepham-3-ene-4-carboxylic acid; (7R)-3-(Hydroxymethyl)-7β-[(2-thienyl)acetylamino]cepham-3-ene-4-carboxylic acid; Cefalonium Impurity B; (7R)-3-(hydroxymethyl)-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 
