5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-[[(2S)-amino(4-hydroxyphenyl)acetyl]amino]-3-methyl-8-oxo-, (6R,7R)-;5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-[[amino(4-hydroxyphenyl)acetyl]amino]-3-methyl-8-oxo-, [6R-[6α,7β(S*)]]-;L-Cefadroxil;(6R,7R)-7-[(S)-2-Amino-2-(4-hydroxyphenyl)acetamido]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid;Cefadroxil Related CoMpound D;Cefadroxil EP Impurity D;Cefadroxil Related Compound D (USP);Cefadroxil Impurity 4(Cefadroxil EP Impurity D)