BENZENE DERIVATIVES SUBSTITUTED BY HETEROCYCLES AND HERBICIDES

摘要

Compounds represented by general formula [1] or salts thereof, wherein R1 represents C1-6 alkyl; R2 represents halo- geno, C1-6 alkylsulfonyl, etc.; R3 and R4 each represents C1-6 alkyl or C1-6 haloalkyl; and R represents hydrogen or C1-6 alkyl. Compositions containing the compounds represented by formula [1] are useful as herbi- cides having selectivity towards corn and wheat.