Pure enantiomers (4S, 8S) - (4R, 8R) -4-p--benzyl-8-methyl-3,6,9-triaza -3N and, 6N, 9N- birds carboxymethyl 1,11 undecane two their use for the manufacture of a medicament conjugates with biomolecules and acid, as well as methods for their preparation

摘要

The invention relates to enantiomer-pure conjugates of general formulas (VIIa) and (VIIb), wherein A represents a group COO , and Z and R have different meanings. The invention also relates to the use of these conjugates.