title: [A method for the isolation of crystalline 6-methylpenicillic acid from liquid culture media obtained during the fermentation of the microganism Penicillium chrysogenum without the precursor].
mesh_terms: D003470:Culture Media; D005285:Fermentation; D010406:Penicillins / Q000737:chemistry*; D010407:Penicillium / Q000737:chemistry*; D010408:Penicillium chrysogenum
chemical_list: D003470:Culture Media; D010406:Penicillins
keywords: PENICILLIN/chemistry; PENICILLIUM/chemistry