| abstract |
Described are a 4,6-diarylpyrimidine derivative represented by the following formula (1): <CHEM> wherein R represents a heterocyclic ring which may be substituted by one to four lower alkyl groups or an amino group and Ar represents a phenyl, naphthyl or aromatic heterocyclic group which may have one to four substituents, and a salt thereof; a preparation process therefor; and a pharmaceutical containing it as an effective ingredient. It has excellent neovascular inhibitory action and is useful as a therapeutic agent for solid cancer, rheumatism, diabetic retinopathy or psoriasis. |