Patent ID: 7547716

Claim:
A compound represented by the general formula (II) or a salt thereof: wherein A represents a C 6 to C 10 aryl group which may be substituted, or a 4 to 10-membered monocyclic or bicyclic and unsaturated, partly saturated, or completely saturated heterocyclic group which may be substituted, wherein said heterocyclic group comprises 1 to 4 hetero atoms selected from the group consisting of nitrogen atom, oxygen atom, and sulfur atom; B represents a single bond or a methylene group which may be substituted; and W and X independently represent a hydrogen atom or a C 1 to C 6 alkyl group which may be substituted, or W may combine with a substituent of A to represent a C 1 to C 4 alkylene group wherein said alkylene group may be substituted; Y represents a hydrogen atom or a C 1 to C 6 alkyl group which may be substituted, or Y may combine with a substituent of A to represent a C 1 to C 4 alkylene group wherein said alkylene group may be substituted; and n represents 1; provided that the following compound is excluded: 5-amino-N-(phenylmethyl)-1-naphthalenesulfonamide.