Provided in the present invention are new compounds having the triple activities of thrombolysis, antithrombotic and radical scavenging as represented by general formula (I), wherein T is a connecting arm having at least two groups for connection use, Q is a peptide having a thrombolysis activity, and R1 and R2 are C1-4alkyl, wherein R1 and R2 can be the same or different. Also provided in the present invention are the preparation method and use of the compound, and a pharmaceutical composition containing the compounds.