CAS No:N/A ||Chemical Formula:C19H29N3O7S ||Molecular Weight:443.51500 ||Exact Mass:443.17262 "||(4R)-1-acetyl-5-((2R)-1-carboxy-2-hydroxypropyl)-3-(((3S,5S)-5-(dimethylcarbamoyl)pyrrolidin-3-yl)thio)-4-methyl-4,5-dihydro-1H-pyrrole-2-carboxylic acid