置換４−シアノ−３−フェニル−４−（ピリジン−３−イル）ブタノエート類、それらの調製方法、並びに除草剤及び植物成長調節剤としてのそれらの使用

摘要

Compounds of the formula (I) or salts thereof, in which (R1)m, (R2)n, R3 and R4 as defined in Claim 1 are suitable as herbicides for the control of harmful plants or as plant growth regulators. The compounds can be prepared by the processes of Claim 7.