Patent ID: 7820700
Filing Date: 2010-10-26
Classification: A61P,C07D

Abstract:
1. A compound represented by the formula (I A ) or a salt thereof: wherein the symbols have the following meanings: R R R R X: —O—, —N(R R R —Y-(cycloalkyl which may contain an oxygen atom), —Y-phenyl, or —Y-monocyclic heteroaryl, where the linear or branched alkyl having 1 to 8 carbon atoms and linear or branched alkenyl having 3 to 8 carbon atoms may be substituted with one to three groups selected from the group consisting of —CN, —O-lower alkyl, —S-lower alkyl, and halogen, which may be the same or different from each other; the cycloalkyl which may contain an oxygen atom, phenyl, and monocyclic heteroaryl may be substituted with one to four groups selected from the group consisting of —CN, halogen, and lower alkyl, which may be the same or different from each other, Y: bond, lower alkylene, lower alkenylene, or -(lower alkylene)-O—, where, when X is a group represented by —N(R