2N-1,2,4,6,Thiatriazine-1,1-dioxides and their use for controlling undesirable plant growth

摘要

2H-1,2,4,6-Thiatriazine-1,1-dioxides of the formula I ##STR1## where R. sup.1, R.sup.2, R.sup.3 and Y have the meanings given in the description, are used for controlling undesirable plant growth.