title: Fredericamycin B and C from Streptomyces griseus: structure elucidation after 23 years.
authors.affiliation: Biofrontera Discovery GmbH, Waldhofer Str. 104 D-69123 Heidelberg, Germany. b.sontag@biofrontera.com
authors.forename: Bernd
authors.initials: B
authors.lastname: Sontag
authors.forename: Johannes G
authors.initials: JG
authors.lastname: Müller
authors.forename: Friedrich G
authors.initials: FG
authors.lastname: Hansske
mesh_terms: D000475:Alkenes / Q000737:chemistry / Q000302:isolation & purification*; D000903:Antibiotics, Antineoplastic / Q000737:chemistry*; D002851:Chromatography, High Pressure Liquid; D007546:Isoquinolines / Q000737:chemistry / Q000302:isolation & purification*; D009682:Magnetic Resonance Spectroscopy; D015394:Molecular Structure; D021241:Spectrometry, Mass, Electrospray Ionization; D013056:Spectrophotometry, Ultraviolet; D013305:Streptomyces griseus / Q000737:chemistry*
chemical_list: D000475:Alkenes; D000903:Antibiotics, Antineoplastic; D007546:Isoquinolines; C498229:fredericamycin C; C498230:fredericamycin B