Verucopeptin, a new antitumor antibiotic active against B16 melanoma. I. Taxonomy, production, isolation, physico-chemical properties and biological activity.

Verucopeptin, a new antitumor antibiotic active against B16 melanoma. I. Taxonomy, production, isolation, physico-chemical properties and biological activity. Verucopeptin, a new antitumor antibiotic active against B16 melanoma. II. Structure determination. A new depsipeptide antibiotic, citropeptin. Eponemycin, a new antibiotic active against B16 melanoma. I. Production, isolation, structure and biological activity. Eponemycin, a new antibiotic active against B16 melanoma. I. Production, isolation, structure and biological activity. Potent antitumor antibiotic complex: PD 114,759, PD 115,028, PD 119,707, and PD 119,193. Esperamicins, a novel class of potent antitumor antibiotics. I. Physico-chemical data and partial structure. Epoxomicin, a new antitumor agent of microbial origin. Actinomadurone, a polycyclic tetrahydroxanthone from Actinomadura sp. BCC 35430 A new antibiotic, cypemycin. Taxonomy, fermentation, isolation and biological characteristics.