| 摘要 |
<p>Compounds represented by general formula [I] or salts thereof or prodrugs of the same [I] wherein R?1, R2 and R3¿ are the same or different and each represents hydrogen, hydroxy, lower alkyl or aryl; and R represents formulas (a), (b) and (c) (wherein each symbol has the meaning as defined in the specification). These compounds, salts thereof or prodrugs of the same are useful as factor Xa inhibitors and anticoagulants and usable in preventing and/or treating diseases caused by blood coagulation or thrombi.</p> |
