Meropenem Trihydrate - Impurity A

1053703-36-8

(4R,5S)-5-((1S,2R)-1-Carboxy-2-hydroxypropyl)-3-(((3S,5S)-5-((dimethylamino)carbonyl)pyrrolidin-3-yl)sulfanyl)-4-methyl-4,5-dihydro-1H-pyrrole-2-carboxylic Acid; 4-Methyl-4,5-dihydro-1H-pyrrole-2-carboxylic Acid, (4R,5S)-5-((1S,2R)-1-Carboxy-2-hydroxypropyl)-3-(((3S,5S)-5-(dimethylcarbamoyl)pyrrolidin-3-yl)thio)-; Meropenem Open Ring; (4R,5S)-5-[(1S,2R)-1-Carboxy-2-hydroxypropyl]-3-{[(3S,5S)-5-(dimethylcarbamoyl)pyrrolidin-3-yl]thio}-4-methyl-4,5-dihydro-1H-pyrrole-2-carboxylic Acid (USP);