- Herbicidal heterocyclic compounds
-
Compounds of the formula STR1 wherein X is O or NR3 in which R3 is hydrogen or alkyl; X1 is oxygen or sulfur; Y is hydrogen, halogen, cyano, alkyl, alkoxy, haloalkoxy, alkylthio or haloalkyl; Z is hydrogen, halogen, alkyl,
- -
-
-