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Home › Non-natural demethylavermectins compositions and method of use

Non-natural demethylavermectins compositions and method of use

US Patent 5077278 · Granted Dec 31, 1991

Estimated economic value: $46,459,000 ⓘ

Assignee

Pfizer

Inventors

Edmund W. Hafner (11 patents)
Kelvin S. Holdom (14 patents)
S. Edward Lee (8 patents)

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