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US4500340A Urea derivatives and their use for controlling undesirable plant growth 失效
尿素衍生物及其用于控制​​不良植物生长的用途

Urea derivatives and their use for controlling undesirable plant growth
摘要:
Urea derivatives of the formula ##STR1## where R, X, Z, Het and n have the meanings given in the description, are used for controlling undesirable plant growth.
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