A compound and the method for treating bacterial infections thereof are provided, wherein the compound is derived from AS101 and having a general formula (I) or a general formula (II), and wherein the method includes administering an effective amount of compound having the general formula (I) or a compound having the general formula (I) and its pharmaceutically acceptable salt thereof.

Provided are an organic transistor with high carrier mobility having a semiconductor active layer containing a compound which is represented by the following formula and has a molecular weight of equal to or less than 3,000, a compound, an organic semiconductor material for a non-light-emitting organic semiconductor device, a material for an organic transistor, a coating solution for a non-light-emitting organic semiconductor device, a method for manufacturing an organic transistor, a method for manufacturing an organic semiconductor film, an organic semiconductor film for a non-light-emitting organic semiconductor device, and a method for manufacturing an organic semiconductor material.

##STR00001##

(X represents an oxygen, sulfur, selenium, or tellurium atom or NR.sup.5; Y and Z each represents CR.sup.6, an oxygen, sulfur, selenium, or nitrogen atom, or NR.sup.7; a ring containing Y and Z is an aromatic heterocycle; any one of R.sup.1 and R.sup.2 and the aromatic heterocycle containing Y and Z or any one of R.sup.3 and R.sup.4 and a benzene ring may be bonded to each other through a specific divalent linking group; R.sup.1, R.sup.2, and R.sup.5 to R.sup.8 each 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 represent an alkyl group, an alkenyl group, an alkynyl group, an aryl group, or heteroaryl group; and each of m and n is an integer of 0 to 2.)

Provided are an organic transistor with high carrier mobility having a semiconductor active layer containing a compound which is represented by the following formula and has a molecular weight of equal to or less than 3,000, a compound, an organic semiconductor material for a non-light-emitting organic semiconductor device, a material for an organic transistor, a coating solution for a non-light-emitting organic semiconductor device, a method for manufacturing an organic transistor, a method for manufacturing an organic semiconductor film, an organic semiconductor film for a non-light-emitting organic semiconductor device, and a method for manufacturing an organic semiconductor material.

##STR00001##

(X represents an oxygen, sulfur, selenium, or tellurium atom or NR.sup.5; Y and Z each represents CR.sup.6, an oxygen, sulfur, selenium, or nitrogen atom, or NR.sup.7; a ring containing Y and Z is an aromatic heterocycle; any one of R.sup.1 and R.sup.2 and the aromatic heterocycle containing Y and Z or any one of R.sup.3 and R.sup.4 and a benzene ring may be bonded to each other through a specific divalent linking group; R.sup.1, R.sup.2, and R.sup.5 to R.sup.8 each 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 represent an alkyl group, an alkenyl group, an alkynyl group, an aryl group, or heteroaryl group; and each of m and n is an integer of 0 to 2.)

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 a class of pyridone multiple-membered ring derivatives and the use thereof. Specifically provided are a compound as represented by formula (VI) and a pharmaceutically acceptable salt thereof. ##STR00001##