Meropenem EP Impurity B

Chemical Name: (4R,5S,6S)-3-[[(3S,5S)-1-[(2S,3R)-2-[(2S,3R)-5-carboxy-4-[[(3S,5S)-5-[(dimethylamino)carbonyl]pyrrolidin-3-yl]sulfanyl]-3-methyl-2,3-dihydro-1H-pyrrol-2-yl]-3-hydroxybutanoyl]-5-[(dimethylamino)carbonyl]pyrrolidin-3-yl]sulfanyl]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid

Synonym: methyl methylglycinate hydrochloride

Smile: O=C(C(N12)=C(S[C@@H]3CN(C([C@@H]([C@@H]4NC(C(O)=O)=C(S[C@@H]5CN[C@H](C(N(C)C)=O)C5)[C@@H]4C)[C@H](O)C)=O)[C@H](C(N(C)C)=O)C3)[C@H](C)[C@]2([H])[C@@H]([C@H](O)C)C1=O)O