The present invention relates to novel non-steroidal brassinosteroid mimetic derivatives, to processes and intermediates for preparing them, to plant growth regulator compositions comprising them and to methods of using them for controlling the growth of plants and/or promoting the germination of seeds.本發明涉及新穎的非甾類的油菜素內酯模擬的衍生物、它們的製備方法與中間體、包含它們的植物生長調節劑組合物、以及將它們用於控制植物生長和/或促進種子萌發的方法。