THERAPEUTIC AGENT OR THERAPEUTIC METHOD FOR ISCHEMIC STROKE

摘要

A drug for alleviating bleeding tendency caused by a thrombus removing means comprising, as an active ingredient, a compound represented by formula (I):(wherein R¹ represents hydrogen or a metabolic ester residue, R² represents hydrogen or -R³-R⁴ (wherein R³ represents -SO₃-, -CH₂COO-, -COCOO- or -COR⁵COO- (wherein R⁵ represents lower alkylene or lower alkenylene), and R⁴ represents hydrogen or a metabolic ether residue)),or a pharmaceutically acceptable salt thereof, or a solvate thereof.