Abstract: Compounds represented by the following general formula: [wherein X1, X2, X3 and X4 each independently represent a single bond, C1-6 alkylene, etc.; A2 represents optionally substituted phenyl, etc.; A1 represents an optionally substituted 5- to 7-membered heterocyclic group containing —C(=Q1)- (wherein Q1 represents oxygen, sulfur or ?N—R11 (wherein R11 represents hydrogen or C1-6 alkyl)) and nitrogen, etc.; and Z1 represents piperidin-diyl, etc.], salts thereof and hydrates of the foregoing.

Abstract: Compounds represented by the following general formula: [wherein X1, X2, X3 and X4 each independently represent a single bond, C1-6 alkylene, etc.; A2 represents optionally substituted phenyl, etc.; A1 represents an optionally substituted 5- to 7-membered heterocyclic group containing —C(=Q1)- (wherein Q1 represents oxygen, sulfur or ?N—R11 (wherein R11 represents hydrogen or C1-6 alkyl)) and nitrogen, etc.; and Z1 represents piperidin-diyl, etc.], salts thereof and hydrates of the foregoing.

Abstract: Compounds represented by the following general formula: [wherein X1, X2, X3 and X4 each independently represent a single bond, C1-6 alkylene, etc.; A2 represents optionally substituted phenyl, etc.; A1 represents an optionally substituted 5- to 7-membered heterocyclic group containing —C(=Q1)- (wherein Q1 represents oxygen, sulfur or ?N—R11 (wherein R11 represents hydrogen or C1-6 alkyl)) and nitrogen, etc.; and Z1 represents piperidin-diyl, etc.], salts thereof and hydrates of the foregoing.

Abstract: The present invention provides compounds represented by the following formula: wherein X1, X2, X3 and X4 each independently represents a single bond, C1-6 alkylene, etc.; A2 represents optionally substituted phenyl, etc.; A1 represents an optionally substituted 5- to 7-membered heterocyclic group containing —C(?Q1)—, Q1 wherein represents oxygen, sulfur or ?N—R11, wherein R11 represents hydrogen or C1-6 alkyl etc.; and Z1 represents piperidin-diyl, ect, salts thereof and hydrates of the foregoing.

Abstract: Compounds represented by the following general formula: [wherein X1, X2, X3 and X4 each independently represent a single bond, C1-6 alkylene, etc.; A2 represents optionally substituted phenyl, etc.; A1 represents an optionally substituted 5- to 7-membered heterocyclic group containing —C(=Q1)- (wherein Q1 represents oxygen, sulfur or ?N—R11 (wherein R11 represents hydrogen or C1-6 alkyl)) and nitrogen, etc.; and Z1 represents piperidin-diyl, etc.], salts thereof and hydrates of the foregoing.

Abstract: The present invention provides a novel compound having a superior Na+ channel inhibitory activity. Namely, it provides a compound represented by the following formula (I), a salt thereof or a hydrate of them. In the formula, the ring A represents a ring represented by the formula: (wherein R1 represents a hydrogen atom etc.; and R2 represents indicates a hydrogen atom and the like) etc.; W represents an optionally substituted C1-6 alkylene group etc.; Z represents an optionally substituted C6-14 aromatic hydrocarbon cyclic group etc.; and l represents an integer from 0 to 6.

Abstract: Compounds represented by the following general formula: 1

Abstract: The present invention provides a novel compound having a superior Na+ channel inhibition activity. Namely, it provides a compound represented by the following formula (I), a salt thereof or a hydrate of them.