HERBISIDAL ETKISI OLAN YENI N-ISYANOPIRIDAZINONLAR VE BUNLARIN üRETILMESINE MAHSUS BIR USUL.

摘要

Novel herbicidal N-cyanopyridazinones of the general formula IMAGE in which the radicals R1, R2 and R3 independently of one another denote hydrogen, halogen, amino, nitro, cyano, alkyl, aryl, aralkyl, alkoxy or aryloxy groups, a process for their preparation, a herbicide containing them, and a method of controlling weeds.