| abstract |
(57) [Problem] To provide a preventive agent for vascular restenosis after percutaneous coronary angioplasty. SOLUTION: The general formula: Wherein R 1 and R 2 are the same or different, and A 3- CO- group (wherein R 3 is H, a substituted or unsubstituted alkyl group, alkenyl group, alkynyl group, aralkyl group, aryl group, aryloxy group, heterocyclic group, heterocyclic alkyl group, cyclic alkyl group , A cyclic alkenyl group, or a cycloalkyl group having 3 to 8 carbon atoms in which the aryl moiety is condensed). ] A vascular restenosis preventive agent comprising: |