| 摘要 |
Disclosed is an alleviating agent for bleeding tendency induced by a thrombus removal means, which comprises a compound represented by the formula (I), a pharmaceutically acceptable salt thereof, or a solvate of the compound or the salt as an active ingredient. (I) wherein R1 represents a hydrogen or a metabolic ester residue; and R2 represents a hydrogen or -R3-R4 [wherein R3 represents -SO3-, -CH2COO-, -COCOO- or -COR5COO- (where R5 represents a lower alkylene or a lower alkenylene)]; and R4 represents a hydrogen or a metabolic ester residue.
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