Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1985-05-02
1988-12-06
Milestone, Norma S.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
549264, A61K 31365, C07D49320
Patent
active
047896841
ABSTRACT:
There is disclosed a series of macrolides isolated from the fermentation broth of a microorganism identified as MA-5920. This novel microorganism is formed by the protoplast fusion of strains of Streptomyces avermitilis and Streptomyces hygroscopicus. The structure of the novel compounds isolated from the microorganism is presented based upon analytical studies. The compounds are highly potent antiparasitic, insecticidal, and anthelmintic agents. Compositions for such uses are also disclosed.
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patent: 4547520 (1985-10-01), Ide et al.
Merck & Co. , Inc.
Milestone Norma S.
Rose David L.
Sudol Michael C.
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