Certain 3,5-pyridine dicarboxylates, their thio analogues having

Certain 3-(substituted benzoyl)-3:2:1-bicyclooctan-2,4-diones

Certain 3-(substituted phenyl)-5-(substituted phenyl)-1-ethylimi

Certain 3-(substituted thio)-2-benzoyl-cyclohex-2-enones

Certain 3-amino-5-carboxy (or thio carboxy) pyridine herbicides

Certain 3-benzoyl-4-oxolactams

Certain 3-nitro-6-phenoxy-2-pyridyl-oxy-propionates having herbi

Certain 4-oxo-3-benzoylvalerolactones and thiolactones

Certain 4-oxo-3-benzoylvalerolactones and thiolactones

Certain 4-oxo-3-benzoylvalerothiolactones

Certain 5-(pyridyl-2'-oxy)-2-nitrobenzoic acid ester derivatives

Certain 5-(R-oxy)-1-phenyl or (3-(trifluoromethyl)phenyl)triazol

Certain 6-aminomethyl or monoalkylamino or dialkylamino or heter

Certain 6-diphenoxymethyl-2-pyridinyl-oxy-propanoates having her

Certain 7-(2-substituted benzoyl)-1-heterospiro-(4,5)decane-(6,8

Certain aralkyloxy or aralkylthio-pyridyl-phthalimides and their

Certain aralkyloxy or thio-pyridyl-imidazo-pyridines and their h

Certain aryloxy-benzoyl sulfoximines having herbicidal activity

Certain aryloxyphenoxy oxoimidazolidines and method of use

Certain esters of 2-[(2,6-dichloro-3-pyridyl)oxy]propionic acid,