Ampicillin EP Impurity E ;
Ampicillinyl-D-phenylglycine ;
(2R)-2-[[[(2S,5R,6R)-6-[[(2R)-2-Amino-2-phenylacetyl] amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-yl]carbonyl]amino]-2-phenylacetic acid ;
CAS # 1207726-28-0 ;
C24H26N4O5S ;
MW: 482.55 ;