Guanine-7-oxide, a novel antitumor antibiotic.

Guanine-7-oxide, a novel antitumor antibiotic. Potent antitumor antibiotic complex: PD 114,759, PD 115,028, PD 119,707, and PD 119,193. PD 116,152, a new phenazine antitumor antibiotic. Structure and antitumor activity. 7-Hydroxyguanine, a novel antimetabolite from a strain of Streptomyces purpurascens. II. Physico-chemical properties and structure determination. Total Synthesis and Stereochemistry of the Antitumor Antibiotic PD 113,271 Novel antitumor agents CI-920,PD113,270 and PD113,271. I. Taxonomy, fermentation and biological properties. A new antitumor antibiotic, stubomycin. A new antitumor antibiotic, stubomycin. A novel antibiotic produced by streptomyces noursei Da07210 Gilvusmycin, a New Antitumor Antibiotic Related to CC-1065.