Merck + Co., Inc.

Hyman Wallick

George E Albers-Schonberg

Thomas W Miller

Richard W Burg

Robert E Ormond

Novel compounds are produced by the fermentation of a nutrient medium with the previously undescribed microorganism Streptomyces avermitilis. They may be isolated by solvent extraction and chromatographic fractionation techniques. The compounds, which are described generically as C-076 have significant parasiticidal activity. The compounds may be included in compositions for the oral or parenteral administration to animals for the prevention and cure of parasitic infections.

Strain of Streptomyces for producing antiparasitic compounds

Novel compounds are produced by the fermentation of a nutrient medium with the previously undescribed microorganism Streptomyces avermitilis. They may be isolated by solvent extraction and chromatographic fractionation techniques. The compounds, which are described generically as C-076 have significant parasiticidal activity. The compounds may be included in compositions for the oral or parenteral administration to animals for the treatment of parasitic infections.

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Springfield, NJ, United States of America

Hyman Wallick