Pyridazinone derivatives and processes for preparing the same

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...

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Details

514252, 544235, 544239, A61K 3150, C07D40112

Patent

active

056985541

ABSTRACT:
Disclosed is a pyridazinone compound represented by the formula (I): ##STR1## wherein X represents hydrogen atom or the like; Y represents a single bonding arm, oxygen atom or sulfur atom; A represents a straight or branched alkylene group which may have a double bond;

REFERENCES:
patent: 4820705 (1989-04-01), Nickl et al.
patent: 4921856 (1990-05-01), Schickaneder et al.
patent: 5409956 (1995-04-01), Yoshida et al.

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