| abstract |
A compound represented by the general formula (I) (wherein R1 is hydrogen, halogeno, alkyl, etc.; R2 is hydrogen, halogeno, alkyl, etc.; R3, R4, R5, R6 , and R7 each independently is hydrogen, halogeno, optionally substituted alky l, optionally substituted alkenyl, alkynyl, optionally substituted cycloalkyl, etc., provided that any adjacent two of R3, R4, R5, R6, and R7 may form an optionally substituted ring in cooperation with the carbon atoms bonded thereto; and m and n each independently is 0 or 1) or a salt or ester derivative of the compound; an agricultural chemical containing any of these as the active ingredient; and a herbicidal composition containing the compou nd and a second herbicidal compound as the active ingredients. |