2,2'-(1,6-bis((2-Formimidamidoethyl)thio)-5,10-dioxo-2,3,5,7,8,10-hexahydrodipyrrolo[1,2-a:1',2'-d]pyrazine-3,8-diyl)bis(3-hydroxybutanoic Acid);Imipenem Impurity;Imipenem Diketopiperazine Impurity
2,2'-(1,6-bis((2-Formimidamidoethyl)thio)-5,10-dioxo-2,3,5,7,8,10-hexahydrodipyrrolo[1,2-a:1',2'-d]pyrazine-3,8-diyl)bis(3-hydroxybutanoic Acid);Imipenem Impurity;Imipenem Diketopiperazine Impurity