| abstract |
A compound of formula I: ** (See formula) ** where T represents a connecting arm having at least two groups for connection; Q represents a peptide having thrombolytic activity; and R1 and R2 represent C1-C4 alkyl groups, wherein R1 and R2 are the same or different; wherein at least one of the groups for connection is an amino group and the remaining groups for connection are carboxyl groups or amino groups; and wherein the peptide having thrombolytic activity is selected from a group consisting of an oligopeptide containing a PA sequence (Pro-Ala), a PAK sequence (Pro-Ala-Lys), an AKP sequence (Ala-Lys-Pro ) or a KAP sequence (Lys-Ala-Pro), and a peptide having repeating units of the PAK sequence, the AKP sequence or the KAP sequence. |