Patent ID: 8314247

Claim:
A hydrazone derivative of the formula [I]: wherein Ring A is aryl or heteroaryl; Ring T is a heteroaryl of or a heterocycle of wherein the heteroaryl or heterocycle of Ring T is selected from the group consisting of thiazolyl, thiazolopyridinyl, pyridyl, pyrazinyl, benzothiazolyl, quinolyl, thiadiazolyl, pyrazolyl, thiazolopyrazinyl, thiazolopyrimidinyl, cyclohexanothiazolyl and dihydropyrazolopyridinyl; R 1 is hydrogen atom, halogen atom, cycloalkylsulfonyl, alkylsulfonyl, alkylsulfinyl, alkylthio, substituted or unsubstituted tetrazolyl, —COR 10 or —CR 12 (OH)R 10 ; R 2 is hydrogen atom, halogen atom, cycloalkylsulfonyl, substituted or unsubstituted alkylsulfonyl, substituted or unsubstituted alkylthio, nitro, substituted or unsubstituted amino, substituted or unsubstituted aminosulfonyl, substituted or unsubstituted heterocyclyl-thio, substituted or unsubstituted heterocyclyl-sulfinyl, substituted or unsubstituted heterocyclyl-sulfonyl, substituted or unsubstituted heteroarylsulfonyl, alkenyloxy, substituted or unsubstituted alkoxy, substituted or unsubstituted alkylsulfinyl, substituted or unsubstituted heteroaryl, substituted or unsubstituted heteroarylthio, —COR 11 or —CR 13 (OH)R 11 ; R 10 is alkyl, cycloalkyl, heteroaryl or heterocycle; R 11 is substituted or unsubstituted alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted heteroaryl or heterocycle; R 12 is hydrogen atom or alkyl; R 13 is hydrogen atom or alkyl; R 3 and R 4 are independently hydrogen atom, substituted or unsubstituted alkyl or substituted or unsubstituted heteroaryl; or R 3 and R 4 combine each other together with the adjacent nitrogen atom to form substituted or unsubstituted heterocycle; R 5 is hydrogen atom, formyl, halogen atom, oxo, substituted or unsubstituted alkoxy, substituted or unsubstituted aminosulfonyl, substituted or unsubstituted alkylthio, cyano, substituted or unsubstituted heterocyclyl-sulfonyl, nitro, substituted or unsubstituted cycloalkyl, alkoxycarbonyl, alkenyl, alkylsulfonyl, substituted or unsubstituted carbamoyl, substituted or unsubstituted heteroarylthio, substituted or unsubstituted amino, carboxy, substituted or unsubstituted heteroaryl, substituted or unsubstituted alkynyl, substituted or unsubstituted heterocyclyl-carbonyl, substituted or unsubstituted heterocyclyl-oxy, substituted or unsubstituted heterocycle, substituted or unsubstituted heterocyclyl-thio, substituted or unsubstituted cycloalkyloxy, alkanoyl, or substituted or unsubstituted alkyl; R 6 is hydrogen atom, substituted or unsubstituted alkyl, halogen atom, or carboxy; or a pharmaceutically acceptable salt thereof.