Stephan Trah,Clemens Lamberth,Raphael Dumeunier,Sebastian Volker Wendeborn
申请号：
US12863377
公开号：
US08410026B2
申请日:
2009.01.14
申请国别(地区):
US
年份:
2013
代理人:
摘要：
The present invention relates to novel pyridazine derivatives of formula (I) as active ingredients which have microbiocidal activity, in particular fungicidal activity: wherein R1 is methyl, ethyl or isopropyl R2 is chloro, fluoro, hydroxy or C1-C2alkoxy R3 is H, chloro, fluoro, methoxy or C1-C3alkyl R4 is chloro, fluoro or bromo and R5 is H, fluoro or methoxy or an agrochemically usable salt form thereof with the proviso that when R1 is methyl, R2 is chloro and R3 is H, then R4 or R5 is different from fluoro.
