英文别名Delta-3 Cefaclor; Cefaclor EP Impurity D; Cefaclor Delta-3-Isomer; CEFACLOR, DELTA-3-ISOMER; Cefaclor Impurity D; δ-3 Cefaclor; 7-[[(2R)-aminophenylacetyl]amino]-3-chloro-8-oxo-5-Thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid, (6R,7R)-; (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid 
