Patent ID: 8076332

Claim:
A compound represented by the following formula (1) or pharmaceutically acceptable salt thereof: wherein R 1 and R 2 are the same or different and represent a hydrogen atom, a lower alkyl group which may have a substituent, or a group represented by the following formula (2); R 3 represents a hydroxy group, a lower alkoxy group which may have a substituent, a lower cycloalkyloxy group which may have a substituent, an aryloxy group which may have a substituent, —NR a R b , or a group represented by the following formula (3); R 4 and R 5 are the same or different and represent a halogen atom, a lower alkyl group which may have a substituent, a hydroxy group, or a lower alkoxy group which may have a substituent; R 6 represents a halogen atom, a lower alkyl group which may have a substituent, a lower cycloalkyl group which may have a substituent, an aryl group which may have a substituent, a heterocyclic group which may have a substituent, a hydroxy group, a lower alkoxy group which may have a substituent, a lower cycloalkyloxy group which may have a substituent, an aryloxy group which may have a substituent, a formyl group, a lower alkylcarbonyl group which may have a substituent, a carboxy group, a lower alkoxycarbonyl group which may have a substituent, a nitro group, a cyano group, —NR c R d , or —NR e (COR f ); R 7 represents a lower alkyl group which may have a substituent, a lower cycloalkyl group which may have a substituent, an aryl group which may have a substituent, a hydroxy group, a lower alkoxy group which may have a substituent, a lower cycloalkyloxy group which may have a substituent, or an aryloxy group which may have a substituent; R a , R b , R c , R d , R e , and R f are the same or different and represent a hydrogen atom, a lower alkyl group which may have a substituent, a lower cycloalkyl group which may have a substituent, or an aryl group which may have a substituent; the ring A represents a hydrocarbon ring or a heterocyclic ring; the ring B represents a heterocyclic ring having one or plural heteroatoms selected from the group consisting of a nitrogen atom, an oxygen atom, and a sulfur atom in the ring; X represents a lower alkylene group which may have a substituent; Y and Z are the same or different and represent a single bond or a lower alkylene group which may have a substituent; and l, m, n, and o are the same or different and represent 0, 1, 2, or 3, in the case where l, m, n, and o represent 2 or 3, the respective groups represented by R 4 , R 5 , R 6 , or R 7 may be the same or different.