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Novel antitumor agents CI-920, PD 113,270 and PD 113,271. II. Isolation and characterization.
A complex of structurally related compounds that exhibit in vivo antileukemic activity was isolated from fermentation broths of a new streptomycete. The components of this complex are water solubleExpand
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PD 124,895 and PD 124,966, two new antitumor antibiotics.
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 hydroxyelactocinExpand
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PD 114,759 and PD 115,028, novel antitumor antibiotics with phenomenal potency. I. Isolation and characterization.
The isolation of two new antibiotics, PD 114,759 and PD 115,028, exhibiting in vivo antitumor activity at extremely low doses is described. The physico-chemical properties of these sulfur-containingExpand
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