Patent ID: 7345180

Claim:
A compound represented by the general formula (I): wherein R 1 and R 2 are the same or different and each represents a hydrogen atom, an optionally substituted C1-6 alkyl group, or —COOR 5 whereupon R 5 represents a hydrogen atom or an optionally substituted C1-6 alkyl group, or R 1 and R 2 , together with a carbon atom to which they are bound, represent a 3- to 6-membered cycloalkyl group, R 3 represents a hydrogen atom or an optionally substituted C6-10 aryl group, R 4 represents a hydrogen atom or a cyano group, D represents —CONR 6 —, —CO— or —NR 6 CO—, R 6 represents a hydrogen atom or an optionally substituted C1-6 alkyl group, E represents —(CH 2 ) 2 — or —SCH 2 —, n is an integer of 0 to 3, and A represents an optionally substituted 6-5-system bicyclic heterocyclic group containing nitrogen in the 5-membered ring of the bicyclic heterocyclic group.