The present invention provides a compound represented by Formula (I)
(wherein R
1
and R
2
are the same or different, and each represents a hydrogen atom, substituted or unsubstituted lower alkyl and the like,
R
3
represents substituted or unsubstituted aryl, a substituted or unsubstituted aromatic heterocyclic group and the like,
R
4
and R
5
are the same or different, and each represents a hydrogen atom, halogen, substituted or unsubstituted lower alkyl, substituted or unsubstituted aryl and the like, proviso that they are not simultaneously hydrogen atoms, and
R
6
represents hydroxy or substituted or unsubstituted lower alkoxy), or a pharmaceutically acceptable salt thereof and the like.
The present invention provides a compound represented by Formula (I)
(wherein R1 and R2 are the same or different, and each represents a hydrogen atom, substituted or unsubstituted lower alkyl and the like,
R3 represents substituted or unsubstituted aryl, a substituted or unsubstituted aromatic heterocyclic group and the like,
R4 and R5 are the same or different, and each represents a hydrogen atom, halogen, substituted or unsubstituted lower alkyl, substituted or unsubstituted aryl and the like, proviso that they are not simultaneously hydrogen atoms, and
R6 represents hydroxy or substituted or unsubstituted lower alkoxy), or a pharmaceutically acceptable salt thereof and the like.