发明授权
US4523946A Substituted 4,5-dimethoxypyridazones and their use for controlling undesirable plant growth 失效
取代的4,5-二甲氧基哒嗪及其用于控制​​不希望的植物生长的用途

Substituted 4,5-dimethoxypyridazones and their use for controlling
undesirable plant growth
摘要:
Substituted 4,5-dimethoxypyridazones of the formula ##STR1## where R.sup.1, R.sup.2 and R.sup.3 independently of one another are each hydrogen, halogen, nitro, cyano, carboxyl, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylmercapto, haloalkylmercapto, alkylsulfinyl or alkylsulfonyl and n is 0, 1 or 2, are used for controlling undesirable plant growth.
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