Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Carbohydrate doai
Patent
1994-04-26
1996-11-26
Kight, John
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Carbohydrate doai
536 71, A61K 3170, C07H 1708
Patent
active
055785816
ABSTRACT:
An active avermectin analogue which can be produced by directed biosynthesis is described. The compound, named 26-R-Avermectin B.sub.1 a, is active in the Haemonchus egg to L3 assay and has the following structure: ##STR1##
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Masurekar Prakash S.
Monaghan Richard L.
Shoop Wesley L.
Wallace Michael A.
Kight John
Lee Howard C.
Merck & Co. , Inc.
North Robert J.
Winokur Melvin
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