CAS No.: 119478-56-7 Synonyms: Meropenem trihydrate; (1 R ,5 S ,6 S )-2-[(3 S ,5 S )-5-(dimethylaminocarbonyl)pyrrolidin-3-ylthio]-6-[( R )-1-hydroxyethyl]-1-methylcarbapen-2-em-3-carboxylic acid trihydrate Formula: C₁₇H₂₅N₃O₅S ¬? 3H₂O …