发明申请
US20120295876A1 PYRIDAZINE DERIVATIVES, PROCESSES FOR THEIR PREPARATION AND THEIR USE AS FUNGICIDES 失效
吡咯烷酮衍生物,其制备方法及其作为防腐剂的使用

PYRIDAZINE DERIVATIVES, PROCESSES FOR THEIR PREPARATION AND THEIR USE AS FUNGICIDES
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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