Pyridazine derivatives, processes for their preparation and their use as fungicides

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专利权人:

Stephan Trah

发明人:

Stephan Trah,Clemens Lamberth

申请号：

US13576945

公开号：

US08658644B2

申请日:

2011.02.01

申请国别(地区):

US

年份:

2014

代理人:

摘要：

The present invention relates to novel pyridazine derivatives of formula (I) wherein R1 is methyl or ethyl R2 is H or chloro R3 is fluoro or chloro R4 is fluoro or methoxy and R5 is chloro or methoxy or an agrochemically usable salt from thereof, as active ingredients which have microbiodidal activity, in particular fungicidal activity.

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