Herbicidal 1-pyridyltetrazolinones

Abstract

Herbicidal tetrazolinone derivatives of the formula: ##STR1## in which R.sup.1 is alkyl, haloalkyl, cycloalkyl, alkenyl, haloalkenyl, alkynyl or phenyl, and R.sup.2 is alkyl, haloalkyl, cycloalkyl, alkenyl, haloalkenyl, alkynyl or phenyl, or R.sup.1 and R.sup.2 together with the nitrogen atom to which they are bonded form an optionally benzofused heterocyclic ring, which is optionally substituted by C.sub.1-4 alkyl, n is 0, 1, 2 or 3, and R.sup.3 each independently is nitro, halogen, alkyl, haloalkyl, alkylthio or phenoxy.

Dependencies are inferred from the claim text.