21702-05-6Relevant articles and documents
Benzene compounds having two pyridazinone substituents
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, (2008/06/13)
The invention relates to pyridazinone derivatives which have inotropic, vasodilator and bronchodilator activity. The compounds of the invention are described by formula (I): STR1 wherein: R1 is hydrogen or methyl; R2 is hydrogen or methyl; and represent double or single bonds; and the benzene ring is para- or meta-substituted; and pharmaceutically acceptable salts thereof.