Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1983-10-21
1986-08-12
Daus, Donald G.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
514277, 546338, 544336, C07D21353, C07D24112, A01N 3504, A01N 3510
Patent
active
046056564
ABSTRACT:
Pyridine and pyrazine compounds of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are as hereinafter set forth and acid addition salts of these compounds, processes for their preparation, fungicidal compositions containing these compounds as the active ingredients and methods for the use of such compounds or compositions for combating fungi in agriculture and horticulture are disclosed.
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Daus Donald G.
Epstein William H.
Gould George M.
Hendricks G.
Hoffmann-La Roche Inc.
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