3,4,5,6-Tetrahydro-1,2,4,6-thiatriazine(3,5)dione-1,1-dioxides, their preparation, herbicides containing them, process for combating growth of unwanted vegetation and process for the preparation of herbicides
The present invention relates to 3,4,5,6-tetrahydrothiathriazine (3,5) dione-1,1-dioxide of the formula wherein R 1 , R 2 and R 3 have the meaning given in the application. The compounds have herbicidal properties.