Provided are: a pyridazinone derivative and/or a pharmaceutically acceptable salt thereof, which is useful as a therapeutic agent and/or a prophylactic agent for diseases in which Nav1.1 is involved and various central nervous system diseases; and a medicine containing the pyridazinone derivative and/or the pharmaceutically acceptable salt thereof as an active ingredient. A compound represented by formula (1) or a pharmaceutically acceptable salt thereof.

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[In the formula, M.sup.1 represents a saturated or partially unsaturated C.sub.4-12 carbocyclic group or the like; R.sup.1 and R.sup.2 independently represent a hydrogen atom or the like; M.sup.2 represents a group represented by formula (2a) or the like; X.sup.1a, X.sup.1b and X.sup.1c independently represent N or the like; X.sup.2, X.sup.3 and X.sup.4 independently represent CR.sup.3 or the like; A.sup.1 and A.sup.2 independently represent N or the like; and R.sup.3 represents a hydrogen atom or the like.]

A compound for use in the treatment of a disease ameliorated by the inhibition of Notum of formula (I): (I) ##STR00001##

A compound for use in the treatment of a disease ameliorated by the inhibition of Notum of formula (I): (I) ##STR00001##

The application relates to a compound of Formula (I′) or (I): ##STR00001##
or a pharmaceutically acceptable salt, hydrate, solvate, prodrug, stereoisomer, or tautomer thereof, which modulates the activity of SSAO, a pharmaceutical composition comprising a compound of Formula (I′) or (I), and a method of treating or preventing a disease in which SSAO plays a role.

The present disclosure relates to heterocyclyl pyridazine compounds, processes and intermediates for their preparation as well as the uses thereof for controlling phytopathogenic microorganisms, such as phytopathogenic fungi.

The present invention relates to the field of medicine. More specifically, the present invention relates to compounds that are sigma-1 receptor agonists and their use for the treatment of central nervous system disorders, including cognitive or neurodegenerative disorders, such as Alzheimer's disease, Parkinson's disease, Huntington's disease, Amyotrophic lateral sclerosis, and multiple sclerosis.

The present invention relates to the field of medicine. More specifically, the present invention relates to compounds that are sigma-1 receptor agonists and their use for the treatment of central nervous system disorders, including cognitive or neurodegenerative disorders, such as Alzheimer's disease, Parkinson's disease, Huntington's disease, Amyotrophic lateral sclerosis, and multiple sclerosis.

The present invention relates to substituted heterocyclic derivative compounds, compositions comprising said compounds, and the use of said compounds and compositions for epigenetic regulation by inhibition of bromodomain-mediated recognition of acetyl lysine regions of proteins, such as histones. Said compositions and methods are useful for the treatment of cancer and neoplastic disease.

The present invention relates to substituted heterocyclic derivative compounds, compositions comprising said compounds, and the use of said compounds and compositions for epigenetic regulation by inhibition of bromodomain-mediated recognition of acetyl lysine regions of proteins, such as histones. Said compositions and methods are useful for the treatment of cancer and neoplastic disease.

The invention belongs to the technical field of agricultural chemicals, and in particular relates to a pyridazinol compound represented by the Formula I, a derivative, preparation method, herbicidal composition and use thereof. The compound, derivative and herbicidal composition thereof have very high herbicidal activity and selectivity, and are safe for crops,

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