title: Safracins, new antitumor antibiotics. II. Physicochemical properties and chemical structures.
abstract: The chemical structures of safracins A and B are proposed to be 1 and 2 respectively on the basis of their physiocochemical properties and spectrometric studies.
mesh_terms: D000903:Antibiotics, Antineoplastic; D007546:Isoquinolines; D009682:Magnetic Resonance Spectroscopy; D008968:Molecular Conformation; D009904:Optical Rotation; D013053:Spectrophotometry; D013302:Streptomyces; D013329:Structure-Activity Relationship
chemical_list: D000903:Antibiotics, Antineoplastic; D007546:Isoquinolines; C039866:safracin A; C039865:safracin B