CAS No:N/A ||Chemical Formula:C28H43N5O9S2 ||Molecular Weight:657.79800 ||Exact Mass:657.25022 ||(2R)-2-((2S,3R)-1-(((R)-1-carboxy-2-(((Z)-6-carboxy-6-((S)-2,2-dimethylcyclopropane-1-carboxamido)hex-5-en-1-yl)thio)ethyl)amino)-3-hydroxy-1-oxobutan-2-yl)-4-((2-formimidamidoethyl)thio)-3,4-dihydro-2H-pyrrole-5-carboxylic acid