An iminosulfonylurea derivative of the formula (1) or its salt ##STR1## wherein Q is ##STR2## wherein the variables are herein below defined, and a herbicidal and and growth control method.
The present invention provides novel iminosulfonylurea derivatives which are useful as herbicides with excellent activity and selectivity. These derivatives can be used to protect rice, wheat, corn, soybean, cotton and sugar beet from weeds.