The present invention provides an antitumor agent and the like, which comprises as an active ingredient, a pyrimidine derivative represented by Formula (I):
[wherein —X—Y-Z- represents —O—CR
3
═N— (wherein R
3
represents a hydrogen atom, a substituted or unsubstituted aromatic heterocyclic group and the like) and the like, R
1
represents —NR
10
R
11
(wherein R
10
and R
11
may be the same or different, and each represents a hydrogen atom, substituted or unsubstituted lower alkyl and the like) and the like, R
2
represents —NR
13
R
14
(wherein R
13
and R
14
may be the same or different, and each represents a hydrogen atom, substituted or unsubstituted lower alkyl and the like)] or a pharmaceutically acceptable salt thereof.
The present invention provides an antitumor agent and the like, which comprises as an active ingredient, a pyrimidine derivative represented by Formula (I):
[wherein -X-Y-Z- represents -O-CR3=N- (wherein R3 represents a hydrogen atom, a substituted or unsubstituted aromatic heterocyclic group and the like) and the like, R1 represents -NR10R11 (wherein R10 and R11 may be the same or different, and each represents a hydrogen atom, substituted or unsubstituted lower alkyl and the like) and the like, R2 represents -NR13R14 (wherein R13 and R14 may be the same or different, and each represents a hydrogen atom, substituted or unsubstituted lower alkyl and the like)] or a pharmaceutically acceptable salt thereof.
The present invention provides an antitumor agent and the like, which comprises as an active ingredient, a pyrimidine derivative represented by Formula (I):
[wherein —X—Y—Z— represents —O—CR3═N— (wherein R3 represents a hydrogen atom, a substituted or unsubstituted aromatic heterocyclic group and the like) and the like, R1 represents —NR10R11 (wherein R10 and R11 may be the same or different, and each represents a hydrogen atom, substituted or unsubstituted lower alkyl and the like) and the like, R2 represents —NR13R14 (wherein R13 and R14 may be the same or different, and each represents a hydrogen atom, substituted or unsubstituted lower alkyl and the like)] or a pharmaceutically acceptable salt thereof.