英文别名(6R-trans)-7-[[(2-Amino-4-thiazolyl)acetyl]amino]-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid; Ceftiam impurity 1; Cephalothin Impurity; 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-[[2-(2-amino-4-thiazolyl)acetyl]amino]-3-(hydroxymethyl)-8-oxo-, (6R,7R)- 
