Patent ID: 8372981

Claim:
The compound represented by the following general formula or a salt thereof: wherein W 41 and W are each independently an optionally substituted carbon atom; X y1 is an optionally substituted group selected from the group consisting of the following formulas: wherein Z 12 is a hydrogen atom, an optionally substituted C 1-6 alkyl group, an optionally substituted C 2-6 alkenyl group, an optionally substituted C 2-6 alkynyl group, an optionally substituted C 3-8 alicyclic hydrocarbon group, an optionally substituted C 6-14 aryl group, an optionally substituted 5- to 14-membered heterocyclic group, an optionally substituted 5- to 14-membered aromatic heterocyclic group or a group represented by the formula: wherein Z 31 , Z 33 and Z 34 are each independently a methylene group, —CO—, —NH— or —O—, and Z 32 is a single bond, a methylene group, —CO—, —NH— or —O—; and A b11 is (1) an optionally substituted 5- to 14-membered heterocyclic group or (2) a group represented by the formula: wherein V b11 and V b12 are each independently a single bond, —SO 2 —, —NHCO— or a group represented by the formula —(CH 2 ) b —CO— wherein b is an integer of 0 to 6; R b13 is a single bond, an optionally substituted C 1-6 alkylene group, an optionally substituted C 3-8 alicyclic hydrocarbon group or an optionally substituted 5- to 14-membered heterocyclic group; and R b11 and R b12 are each independently a hydrogen atom, a hydroxyl group, a halogen atom, an optionally substituted C 1-6 alkyl group, an optionally substituted C 2-6 alkenyl group, an optionally substituted C 2-6 alkynyl group, an optionally substituted C 3-8 alicyclic hydrocarbon group, an optionally substituted C 6-14 aryl group, an optionally substituted 5- to 14-membered aromatic heterocyclic group or an optionally substituted 5- to 14-membered heterocyclic group.