A compound represented by the following general formula, or a salt thereof: wherein A represents -(CH 2) n -X-, -(CH 2) m -NH-, or - (C3-C7 cycloalkylene)-NH-; n represents an integer from 0 to 2; m represents an integer from 1 to 4; X represents a nitrogen-containing C3-C10 heterocycloalkylene which may have one or more substituents; Y represents -C(R 4)=C(R 5)(R 6) or -C≡C-R 7; W and Z each independently represent N or CH; R 1 represents an amino group; R 2 and R 3, which may be identical or different, each represent a hydrogen atom, a halogen atom, a C1-C6 alkyl group which may have one or more substituents, a C1-C6 alkoxy group which may have one or more substituents, a C3-C7 cycloalkyl group which may have one or more substituents, a C6-C14 aromatic hydrocarbon group which may have one or more substituents, a 4-membered to 10-membered monocyclic or polycyclic unsaturated heterocyclic group containing 1 to 3 heteroatoms of the same kind or different kinds selected from a nitrogen atom, an oxygen atom and a sulfur atom, which may have one or more substituents, or a cyano group; and R 4, R 5, R 6 and R 7, which may be identical or different, each represent a hydrogen atom, or a C1-C6 alkyl group which may have one or more substituents; wherein the substituent(s) are selected from a halogen atom, a hydroxyl group, a cyano group, a nitro group, a C1-C6 alkyl group, a halogeno-C1-C6-alkyl group, a C3-C7 cycloalkyl group, a C3-C7 cycloalkyl-C1-C4 alkyl group, a C7-C13 aralkyl group, a C2-C6 alkenyl group, a C2-C6 alkynyl group, a C1-C6 alkoxy group, a halogeno-C1-C6 alkoxy group, a C3-C7 cycloalkoxy group, a C3-C7 cycloalkyl-C1-C4 alkoxy group, a C7-C13 aralkyloxy group, a C1-C6 alkylthio group, a C3-C7 cycloalkyl-C1-C4 alkylthio group, an amino group, an amino group that is mono- or disubstituted with linear or branched C1-C6 alkyl groups, a C3-C7 cycloalkyl-C1-C4 alkylamino group, a linear or branched (C1-C6 alkyl)carbonyl group, a (C6-C14 aryl)carbonyl group, a linear or branched (C1-C6 alkyl)carbonyloxy group, a (C6-C14 aryl)carbonyloxy group, an oxo group, a carboxyl group, a (C1-C6 alkoxy)carbonyl group, a (C7-C13 aralkyl)oxycarbonyl group, a carbamoyl group, a saturated heterocyclic group having heteroatoms selected from a nitrogen atom, an oxygen atom and a sulfur atom, a monocyclic or polycyclic, fully unsaturated or partially unsaturated heterocyclic group having heteroatoms selected from a nitrogen atom, an oxygen atom and a sulfur atom, a C6-C14 aromatic hydrocarbon group, and a saturated heterocyclic oxy group having heteroatoms selected from a nitrogen atom, an oxygen atom and a sulfur atom. wherein A represents -(CH 2) n -X-, -(CH 2) m -NH-, or - (C3-C7 cycloalkylene)-NH-; n represents an integer from 0 to 2; m represents an integer from 1 to 4; X represents a nitrogen-containing C3-C10 heterocycloalkylene which may have one or more substituents; Y represents -C(R 4)=C(R 5)(R 6) or -C≡C-R 7; W and Z each independently represent N or CH; R 1 represents an amino group; R 2 and R 3, which may be identical or different, each represent a hydrogen atom, a halogen atom, a C1-C6 alkyl group which may have one or more substituents, a C1-C6 alkoxy group which may have one or more substituents, a C3-C7 cycloalkyl group which may have one or more substituents, a C6-C14 aromatic hydrocarbon group which may have one or more substituents, a 4-membered to 10-membered monocyclic or polycyclic unsaturated heterocyclic group containing 1 to 3 heteroatoms of the same kind or different kinds selected from a nitrogen atom, an oxygen atom and a sulfur atom, which may have one or more substituents, or a cyano group; and R 4, R 5, R 6 and R 7, which may be identical or different, each represent a hydrogen atom, or a C1-C6 alkyl group which may have one or more substituents; wherein the substituent(s) are selected from a halogen atom, a hydroxyl group, a cyano group, a nitro group, a C1-C6 alkyl group, a halogeno-C1-C6-alkyl group, a C3-C7 cycloalkyl group, a C3-C7 cycloalkyl-C1-C4 alkyl group, a C7-C13 aralkyl group, a C2-C6 alkenyl group, a C2-C6 alkynyl group, a C1-C6 alkoxy group, a halogeno-C1-C6 alkoxy group, a C3-C7 cycloalkoxy group, a C3-C7 cycloalkyl-C1-C4 alkoxy group, a C7-C13 aralkyloxy group, a C1-C6 alkylthio group, a C3-C7 cycloalkyl-C1-C4 alkylthio group, an amino group, an amino group that is mono- or disubstituted with linear or branched C1-C6 alkyl groups, a C3-C7 cycloalkyl-C1-C4 alkylamino group, a linear or branched (C1-C6 alkyl)carbonyl group, a (C6-C14 aryl)carbonyl group, a linear or branched (C1-C6 alkyl)carbonyloxy group, a (C6-C14 aryl)carbonyloxy group, an oxo group, a carboxyl group, a (C1-C6 alkoxy)carbonyl group, a (C7-C13 aralkyl)oxycarbonyl group, a carbamoyl group, a saturated heterocyclic group having heteroatoms selected from a nitrogen atom, an oxygen atom and a sulfur atom, a monocyclic or polycyclic, fully unsaturated or partially unsaturated heterocyclic group having heteroatoms selected from a nitrogen atom, an oxygen atom and a sulfur atom, a C6-C14 aromatic hydrocarbon group, and a saturated heterocyclic oxy group having heteroatoms selected from a nitrogen atom, an oxygen atom and a sulfur atom.