| 摘要 |
<p>Phosphonic acid diester derivatives represented by general formula (1) which are useful as a remedy for hyperlipidemia and diabetes, an antitumor agent and a preventive or remedy for cataract, wherein R1 represents cycloalkyl, etc.; R2 represents hydrogen, phenyl or lower alkyl; R?3 and R4¿ represent each lower alkyl; and A represents a heterocycle selected from among pyrazine, thiophene and phenyl-substituted thiazole rings.</p> |
