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US 5,206,263 AGranted
Acidic polycyclic ether useful as an anticoccidial agent and as a growth promotant
AssigneePfizer Inc.
InventorsJohn P. Dirlam, Walter P. Cullen, Hiroshi Maeda, Junsuke Tone
Life of this patent
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Abstract
An acidic polycyclic ether antibiotic, having structure established by X-ray crystallography, is formed by fermentation of a novel microorganism, Streptomyces hygroscopicus ATCC 53626. This novel antibiotic is useful as an anticoccidial in chickens and as a growth promotant in cattle and swine.
Claims8
A compound of the absolute stereochemical formula ##STR2## wherein Me=CH.sub.3, or a pharmaceutically acceptable cationic salt thereof.
Dependencies are inferred from the claim text.