1986 Volume 39 Issue 12 Pages 1651-1656
The isolation and characterization of the title antibiotics, which are produced by the same Streptomyces sp., is described. The potent antitumor agent, PD 124, 895, is an analog of hydroxyelactocin (PD 114, 721). PD 124, 966 is a new member of the depsipeptide family of antibiotics.