New Antitumor Substances, FR901463, FR901464 and FR901465. I. Taxonomy, Fermentation, Isolation, Physico-chemical Properties and Biological Activities.

New Antitumor Substances, FR901463, FR901464 and FR901465. I. Taxonomy, Fermentation, Isolation, Physico-chemical Properties and Biological Activities. New Antitumor Substances, FR901463, FR901464 and FR901465. I. Taxonomy, Fermentation, Isolation, Physico-chemical Properties and Biological Activities. FR901228, a novel antitumor bicyclic depsipeptide produced by chromobacterium violaceum No. 968. I. Taxonomy, fermentation, isolation, physico-chemical and biological properties, and antitumor activity. Evaluation of FR901464 analogues in vitro and in vivo A new immunomodulator, FR-900494: Taxonomy, fermentation, isolation, and physico-chemical and biological characteristics. FR901469, a Novel Antifungal Antibiotic from an Unidentified Fungus No. 11243. I. Taxonomy, Fermentation, Isolation, Physico-chemical Properties and Biological Properties. A new immunomodulator, FR-900490. A new antitumor antibiotic, FR-900482. I. Taxonomic studies on the producing strain: A new species of the genus Streptomyces. A new antitumor antibiotic, FR-66979. A new antitumor antibiotic, FR-900482. IV. Hematological toxicity in mice.