SMILES: CC(=O)OCC1=C(N2[C@@H]([C@@H](C2=O)NC(=O)CCCC(=O)[O-])SC1)C(=O)[O-]
Description: The molecule is dicarboxylate anion of (7R)-7-(4-carboxybutanamido)cephalosporanic acid. It is a dicarboxylic acid dianion and a cephalosporin carboxylic acid anion. It is a conjugate base of a (7R)-7-(4-carboxybutanamido)cephalosporanic acid.