title: Isolation of 7 beta-(5-hydroxy-5-carboxyvarelamido)-3-hydroxymethyl-3-cephem-4-carboxylic acid from streptomyces sp.
mesh_terms: D002511:Cephalosporins / Q000302:isolation & purification*; D009682:Magnetic Resonance Spectroscopy; D013302:Streptomyces / Q000378:metabolism*
chemical_list: D002511:Cephalosporins; C037487:7 beta-(5-hydroxy-5-carboxyvarelamido)-3-hydroxymethyl-3-cephem-4-carboxylic acid