(5R,6S)-3-((2-Formimidamidoethyl)thio)-6-((R)-1-hydroxyethyl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid hydrate 74431-23-5 C₁₂H₁₉N₃O₅S 317.36 g./mol ฿1,280.00 View