(4-Amino-4-carboxybutyl)penicillin (D-4-Amino-4-carboxybutyl) penicillinic acid 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-(5-amino-5-carboxyvaleramido)-3,3-dimethyl-7-oxo-, D- 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-[(5-amino-5-carboxy-1-oxopentyl)amino]-3,3-dimethyl-7-oxo-, [2S-[2.alpha.,5.alpha.,6.beta.(S*)]]- 525-94-0 6-(5-Amino-5-carboxyvaleramido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid Adicillin Adicillinum Cephalosporin N NSC113137 Penicillin N SYNNEMATIN B Salmotin