The present invention relates to triazines the general formula I, wherein the variables are defined according to the description, including their agriculturally acceptable salts or, provided that the triazines of formula I have a carboxyl group, their agriculturally acceptable derivatives, in particular to processes for the preparation of said triazines. The invention further relates to compositions comprising compound of formula I and processes for the preparation of these compositions. Further it relates to use of the triazines of formula I as an herbicide as well as to a method of controlling undesired vegetation.