Certain 2-(2-substituted benzoyl)-1,3-cyclohexanediones

摘要

Compounds of the formula <IMAGE> wherein R is halogen, C1-C4 alkoxy, C1-C4 alkyl, C1-C4 haloalkyl, cyano, nitro, S(O)nR wherein R is C1-C4 alkyl and n is the integer 0, 1 or 2; and R2 through R8 are hydrogen or certain substituents, their salts, herbicidal compositions containing the compound or salts and the herbicidal use thereof.