A compound represented by the general Formula (I) below, or a salt or solvate thereof, which is useful as an ALK inhibitor, and is useful for prophylaxis or treatment of a disease accompanied by abnormality in ALK, for example, cancer, cancer metastasis, depression or cognitive function disorder:

##STR00001## (meanings of the symbols that are included in the formula are as given in the specification).

The present invention relates to certain PDE2 inhibitory compounds, in free or salt form, pharmaceutical compositions containing such compounds and methods for the treatment of PDE2 mediated disorders.

The present invention relates to certain PDE2 inhibitory compounds, in free or salt form, pharmaceutical compositions containing such compounds and methods for the treatment of PDE2 mediated disorders.

Disclosed are compounds of Formula (I): or a salt thereof, wherein Q is: or; and X, R.sub.1a, R.sub.1b, R.sub.3, R.sub.4, and R.sub.5 are defined herein. Also disclosed are methods of using such compounds as inhibitors of Bruton's tyrosine kinase (Btk), and pharmaceutical compositions comprising such compounds. These compounds are useful in treating, preventing, or slowing the progression of diseases or disorders in a variety of therapeutic areas, such as autoimmune diseases and vascular disease.

##STR00001##

Disclosed are compounds of Formula (I): or a salt thereof, wherein Q is: or; and X, R.sub.1a, R.sub.1b, R.sub.3, R.sub.4, and R.sub.5 are defined herein. Also disclosed are methods of using such compounds as inhibitors of Bruton's tyrosine kinase (Btk), and pharmaceutical compositions comprising such compounds. These compounds are useful in treating, preventing, or slowing the progression of diseases or disorders in a variety of therapeutic areas, such as autoimmune diseases and vascular disease.

##STR00001##

Provided is a novel probe for a biological specimen for labelling by itself and clearly visualizing one of a specific cell and a specific cell organ in a living body, the probe having excellent spectral characteristics and exhibiting excellent storage stability. The probe for a biological specimen contains, as an active agent, at least one kind of compound represented by a general formula (I). ##STR00001##

A compound represented by the general Formula (I) below, or a salt or solvate thereof, which is useful as an ALK inhibitor, and is useful for prophylaxis or treatment of a disease accompanied by abnormality in ALK, for example, cancer, cancer metastasis, depression or cognitive function disorder:

##STR00001## (meanings of the symbols that are included in the formula are as given in the specification).

A compound represented by the general Formula (I) below, or a salt or solvate thereof, which is useful as an ALK inhibitor, and is useful for prophylaxis or treatment of a disease accompanied by abnormality in ALK, for example, cancer, cancer metastasis, depression or cognitive function disorder:

##STR00001## (meanings of the symbols that are included in the formula are as given in the specification).

Metal-sulfur energy storage devices also comprising new redox mediator compounds are described.

Metal-sulfur energy storage devices also comprising new redox mediator compounds are described.