abstract |
Phenylpyridazine compounds of the general formula IN WHICH Hal is a chlorine or bromine atom and R is a straight-chain or branched alkyl group containing 2 to 20 carbon atoms when Hal is chlorine and 1 to 20 carbon atoms when Hal is bromine, or is the group -OR', wherein R' is an alkyl group of 1 to 18 carbon atoms which may be straight-chain or branched, and which have valuable herbicidal properties. |