Compounds of the general formulae (1) and (2) A-B-D-B′-A′  (1) and A-B-D-E  (2) in which A and A′ may be identical or different and are the residue in which X is S, O, CH2, CH2CH2, CH2O or CH2NH, and Y is H or CN, and * designates a chiral carbon atom preferably in S- or L-configuration; B and B′ may be identical or different and are an O, N or S containing or non-containing, unsubstituted or substituted, unbranched or branched alkylene residue, cycloalkylene residue, aralkylene residue, heterocycloalkylene residue, heteroarylalkylene residue, arylamidoalkylene residue, heteroarylamidoalkylene residue, unsubstituted or mono- or poly-substituted arylene residue or heteroarylene residue having one or more five-, six- or seven-membered ring(s); D is —S—S— or —Se—Se—; and E is the group —CH2—CH(NH2)—R9 or —CH2—*CH(NH2)—R9 respectively in which R9 is an O, N or S containing or non-containing, unsubstituted or substituted, unbranched or branched alkyl residue, cycloalkyl residue, aralkyl residue, heterocycloalkyl residue, heteroarylalkyl residue, arylamidoalkyl residue, heteroarylamidoalkyl residue, unsubstituted or mono- or poly-substituted aryl residue or heteroaryl residue having one or more five-, six- or seven-membered ring(s) and * designates a chiral carbon atom preferably in the S- or L-configuration; or the acid addition salts thereof with organic and/or inorganic acids; as well as to the use of the compounds of the general formulae (1) and (2) in medicine.