| 摘要 |
<p>Novel phosphonic diester derivatives represented by general formula (1) or pharmacologically acceptable salts thereof which are useful as drugs, wherein R1 represents amino, N-(lower alkyl)amino, N-(lower alkenyl)amino, etc.; R?2 and R3¿ represent each hydrogen, lower alkyl, halogeno, lower alkoxy etc.; R4 represents hydrogen, lower alkyl or phenyl(lower alkyl); R?5 and R6¿ represent each lower alkyl; X, Y and Z are all carbon atoms, or one of X, Y and Z is a nitrogen atom while other two are carbon atoms; and Q represents a single bond or alkylene.</p> |
