PYRIMIDINYLPYRAZOLDERIVATE

摘要

The present invention provides a novel compound which is represented by formula (I): wherein preferable examples of R<1> to R<6> are as follows; R<1> and R<2> are each an alkyl group optionally substituted by a halogen atom, an amino group, a hydroxyl group, an alkoxyl group or a thiol group, a hydrogen atom, a halogen atom or an alkoxyl group; R<3> is a hydrogen atom; R<4> is a methyl group; R<5> is a hydrogen atom or an alkyl group; and R<6> is a group of the formula: wherein Z is a phenyl group; and has an antitumor effect.s