| 摘要 |
Compounds of the formula <CHEM> wherein A is SO2N(R3)C(O)N(R4)R5; R is C1-C4 alkyl, C3 alkenyl, OCH3, NO2, Cl, Br, SO2NR1R2 and SO2N(OCH3)CH3; R1 and R2 are independently C1-C3 alkyl; R3 is H or CH3; R4 is H, CH3 or OCH3; R5 is <CHEM> X, X<2>, Y, Y<1> and Y<2> are selected from various substituents; Z is N, methine or substituted methine; Q is O or CH2; and their agricultural salts; possess herbicidal activity, especially against broad-leaf weeds. They are also of interest as plant growth regulants. The compounds may be formulated for use in conventional manner. The compounds may be made by a variety of routes, e.g. by reacting an appropriately substituted thiophenesulfonyl isocyanate
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