| 摘要 |
A plant growth regulator for cotton harvest, which contains as an active ingredient, a compound of formula (I): wherein X is CH or nitrogen; Z is halogen; A is oxygen, sulfur, or NH; R<1> is hydroxyl, C1-C7 alkoxy, C3-C7 alkenyloxy, C3-C7 alkynyloxy, C5-C7 cycloalkoxy, {(C1-C7 alkoxy)carbonyl} C1-C3 alkoxy, (C1-C7 alkylamino)oxy, {di(C1-C7 alkyl)amino}oxy, (C3-C7 alkylideneamino)oxy, C1-C7 alkylamino, di(C1-C7 alkyl)amino, C3-C7 alkenylamino, C3-C7 alkynylamino, C5-C7 cycloalkylamino, {(C1-C7 alkoxy)carbonyl} C1-C3 alkylamino, or (C1-C7 alkoxy)amino; R<2> is hydrogen or methyl; and R<3> is hydrogen, halogen, C1-C3 alkyl, or C1-C3 alkoxy.
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