Patent ID: 7420053

Claim:
A compound of the formula (II): wherein R 1 is optionally substituted alkylene, R 2 is a group of the formula: —C(═R 5 )—R 6 wherein R 5 is O or S, R 6 is alkoxy, alkylthio, optionally substituted aralkyloxy, optionally substituted aralkylthio, optionally substituted aralkylamino, alkoxyalkyl, alkylthioalkyl, or optionally substituted aminoalkyl; or a group of formula: —SO 2 R 7 wherein R 7 is alkyl, optionally substituted amino, optionally substituted aryl or optionally substituted heteroaryl, R 3 and R 4 each is independently hydrogen, alkyl, alkoxy, alkylthio, optionally substituted amino, optionally substituted aryl, optionally substituted aryloxy, cycloalkyl, halogen, hydroxy, nitro, haloalkyl, haloalkoxy, optionally substituted carbamoyl, carboxy, alkoxycarbonyl, alkylsulfinyl, alkysulfonyl, alkoxyalkyl, alkylthioalkyl, optionally substituted aminoalkyl, alkoxyalkoxy, alkylthioalkoxy, optionally substituted heteroaryl, optionally substituted non-aromatic heterocyclic group, alkoxyiminoalkyl, or a group of the formula: —C(═O)—R H wherein R H is hydrogen, alkyl, optionally substituted aryl or optionally substituted non-aromatic heterocyclic group, or R 3 and R 4 taken together may form alkylenedioxy, m is an integer of 0 to 2, A is optionally substituted aromatic carbocycle or optionally substituted aromatic heterocycle, provided that A is not optionally substituted benzene, a prodrug thereof, or a pharmaceutically acceptable salt thereof.