To provide a fused hetero 5-membered ring molecule having further sufficiently high hole mobility. Disclosed is a fused hetero 5-membered ring molecule having, in one molecule, eight aromatic rings including three or five hetero 5-membered rings, and the eight aromatic rings having one or two naphthalene structures. The three or five hetero 5-membered rings are each independently selected from the group consisting of a thiophene ring, a selenophene ring, and a furan ring.

A compound of Chemical Formula 1, and an organic photoelectric device, an image sensor, and/or an electronic device including the same are disclosed:

##STR00001##

In Chemical Formula 1, each substituent is the same as defined in the detailed description.

Provided are an organic semiconductor film, an organic semiconductor transistor formed of the organic semiconductor film, and a method of manufacturing the organic semiconductor transistor. In the organic semiconductor film, the formation or propagation of cracks can be effectively suppressed even in a case where the organic semiconductor film is patterned or is exposed to high heat. Provided are an organic semiconductor film, an organic semiconductor transistor formed of the organic semiconductor film, and a method of manufacturing the organic semiconductor transistor. The microcrystalline organic semiconductor film includes a compound represented by the following Formula (1) that has a molecular weight of 3000 or lower and in which a crystal domain size is 1 nm to 100 nm. ##STR00001## X, Y, and Z each independently represent a specific ring-constituting atom. R.sup.1 and R.sup.2 each independently represent a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, or a heteroaryl group. R.sup.3 and R.sup.4 each independently represent a halogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, or a heteroaryl group. m and n each independently represent an integer of 0 to 2.

Provided are an organic semiconductor film, an organic semiconductor transistor formed of the organic semiconductor film, and a method of manufacturing the organic semiconductor transistor. In the organic semiconductor film, the formation or propagation of cracks can be effectively suppressed even in a case where the organic semiconductor film is patterned or is exposed to high heat. Provided are an organic semiconductor film, an organic semiconductor transistor formed of the organic semiconductor film, and a method of manufacturing the organic semiconductor transistor. The microcrystalline organic semiconductor film includes a compound represented by the following Formula (1) that has a molecular weight of 3000 or lower and in which a crystal domain size is 1 nm to 100 nm. ##STR00001## X, Y, and Z each independently represent a specific ring-constituting atom. R.sup.1 and R.sup.2 each independently represent a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, or a heteroaryl group. R.sup.3 and R.sup.4 each independently represent a halogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, or a heteroaryl group. m and n each independently represent an integer of 0 to 2.

A heteroacene having the following formula (F) is described. An organic electroluminescence device comprises the heteroacene as a phosphorescent host, a fluorescent host, a hole blocking layer, or an electron transport layer. The heteroacene lowers a driving voltage, or increases a current efficiency or a half-life of the organic electroluminescence device.

##STR00001##

The same definition as described in the present invention.

A heteroacene having the following formula (F) is described. An organic electroluminescence device comprises the heteroacene as a phosphorescent host, a fluorescent host, a hole blocking layer, or an electron transport layer. The heteroacene lowers a driving voltage, or increases a current efficiency or a half-life of the organic electroluminescence device.

##STR00001##

The same definition as described in the present invention.

A compound of Chemical Formula 1, and an organic photoelectric device, an image sensor, and an electronic device including the same are disclosed:

##STR00001##

In Chemical Formula 1, each substituent is the same as defined in the detailed description.

The present invention relates to a novel cancer metastasis preventing and curing selenopheno[h]chromene derivatives, as well as methods of their manufacturing and use in different pharmaceutical compositions for the treatment and/or prevention of primary cancer and its metastasis by administration of such substances. ##STR00001##

The present invention relates to a novel cancer metastasis preventing and curing selenopheno[h]chromene derivatives, as well as methods of their manufacturing and use in different pharmaceutical compositions for the treatment and/or prevention of primary cancer and its metastasis by administration of such substances. ##STR00001##

The present invention relates to a novel cancer metastasis preventing and curing selenopheno[h]chromene derivatives, as well as methods of their manufacturing and use in different pharmaceutical compositions for the treatment and/or prevention of primary cancer and its metastasis by administration of such substances.

##STR00001##