Patent ID: 8410134

Claim:
A Compound of the formula (I): or a pharmacologically acceptable salt, wherein A is a 6-membered heteroaryl having from 1 to 3 heteroatoms each independently selected from N or O, wherein said 6-membered heteroaryl is substituted with from 2 to 4 substituents each independently selected from halogen atom, oxygen atom, hydroxy, cyano, amino, nitro, mercapto, alkyl, alkenyl, alkynyl, heteroalkyl, cycloalkyl, heterocycloalkyl, alkylcycloalkyl, heteroalkylcycloalkyl, aryl, heteroaryl, aralkyl, or heteroaralkyl; R5 is halogen atom, hydroxy, cyano, nitro, mercapto, alkyl, alkenyl, alkynyl, or heteroalkyl; R6 is optionally substituted alkyl; optionally substituted alkenyl; 5-membered heterocycloalkyl having from 1 to 3 heteroatoms each independently selected from N, O or S, or cycloalkyl, wherein said 5-membered heterocycloalkyl or cycloalkyl is substituted with from 0 to 3 substituents each independently selected from halogen atom, oxygen atom, hydroxy, cyano, amino, nitro, mercapto, alkyl, alkenyl, alkynyl, heteroalkyl, cycloalkyl, heterocycloalkyl, alkylcycloalkyl, heteroalkylcycloalkyl, aryl, heteroaryl, aralkyl, or heteroaralkyl; 5-membered heteroaryl having from 1 to 4 heteroatoms each independently selected from N, O or S, wherein said 5-membered heteroaryl is substituted with from 0 to 3 substituents each independently selected from halogen atom, oxygen atom, hydroxy, cyano, amino, nitro, mercapto, alkyl, alkenyl, alkynyl, heteroalkyl, optionally substituted aryl or optionally substituted heteroaryl; or —S—R 10 ; R 10 is 5-membered heterocycloalkyl having from 1 to 3 heteroatoms each independently selected from N, O or S, or cycloalkyl, wherein said 5-membered heterocycloalkyl or cycloalkyl is substituted with from 0 to 4 substituents each independently selected from halogen atom, oxygen atom, hydroxy, cyano, amino, nitro, mercapto, alkyl, alkenyl, alkynyl, heteroalkyl, cycloalkyl, heterocycloalkyl, alkylcycloalkyl, heteroalkylcycloalkyl, aryl, heteroaryl, aralkyl, or heteroaralkyl; or 5-membered heteroaryl having from 1 to 4 heteroatoms each independently selected from N, O or S, wherein said 5-membered heteroaryl is substituted with from 0 to 4 substituents each independently selected from halogen atom, oxygen atom, hydroxy, cyano, amino, nitro, mercapto, alkyl, alkenyl, alkynyl, heteroalkyl, cycloalkyl, heterocycloalkyl, alkylcycloalkyl, heteroalkylcycloalkyl, aryl, heteroaryl, aralkyl, or heteroaralkyl; R 7 is hydrogen atom, halogen atom, hydroxy, cyano, amino, nitro, alkyl, or heteroalkyl; R 8 is hydrogen atom or halogen atom; and R 17 is hydrogen atom or halogen atom.