title: DC-52, a novel antitumor antibiotic. 2. Isolation, physico-chemical characteristics and structure determination.
abstract: DC-52, C18H22N2O4, is a new antitumor antibiotic produced by Streptomyces melanovinaceus nov. sp. The structure of DC-52 has been determined by consideration of spectral data. It has the novel skeleton, 8,11-iminoazepinoisoquinoline.
mesh_terms: D000903:Antibiotics, Antineoplastic / Q000302:isolation & purification*; D055598:Chemical Phenomena; D002621:Chemistry; D007546:Isoquinolines / Q000302:isolation & purification; D009682:Magnetic Resonance Spectroscopy
chemical_list: D000903:Antibiotics, Antineoplastic; D007546:Isoquinolines; C038710:quinocarcin