abstract |
A selective herbicide of the formula ##STR1## in which m is 0, 1 or 2, n R 5 is an organic radical, n R 3 is hydrogen or an organic radical, n R 9 is hydrogen or an optionally substituted alkyl radical, n R 10 is an organic radical or forms a ring with R 9 , n R 40 and R 41 are alkyl or alkoxy, and n M is hydrogen or a metal or ammonium radical, or an acid adduct thereof. |