The invention describes a compound having the formula (I): wherein X is F, Cl, Br, or I; R 1 is CH 3 , C 2 H 5 , C 2 H 4 R 3 , C 2 H 3 R 3 R 4 , C 3 H 7 , C 3 H 6 R 3 or C 3 H 5 R 3 R 4 ; R 2 is H, CH 3 , C 2 H 5 , C 2 H 4 R 3 , C 2 H 3 R 3 R 4 ; and R 3 and R 4 are, independently, X, OH or NH 2 . Compounds are used for increasing plant growth.
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机译：本发明描述了具有式（I）的化合物：其中X是F，Cl，Br或I;R 1为CH 3，C 2 H 5，C 2 H 4 R 3，C 2 H 3 R 3 R 4，C 3 H 7，C 3 H 6 R 3或C 3 H 5 R 3 R 4;R 2为H，CH 3，C 2 H 5，C 2 H 4 R 3，C 2 H 3 R 3 R 4;和R 3和R 4独立地为X，OH或NH 2。化合物用于增加植物生长。
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