0 Cephaliotin Acid CAS 153-61-7 In APIs, Pharmaceutical Chemicals, Products 153-61-7,Cephaliotin Acid,(6R,7R)-3-(Acetoxymethyl)-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid