| 摘要 |
<p>Compounds represented by formula (I), (wherein R1 represents C¿10-24? alkyl, R?2¿ represents C¿1-4? alkyl or phenyl-C1-3 alkyl, and A?+¿ represents a heterocyclic group containing a quaternary nitrogen atom) or their physiologically acceptable salts are effective in inhibiting thrombocyte activator, and are useful for prophylaxis and treatment of various cirular diseases and allergic diseases.</p> |
