[C@H:1]([OH:10])([C:7]([OH:9])=[O:8])[C@H:2]([OH:6])[C:3]([OH:5])=[O:4].N[C@@H](C(O)=O)C(S)(C)C>>[C:7]([OH:9])(=[O:8])[C@@H:1]([C@H:2]([C:3]([OH:5])=[O:4])[OH:6])[OH:10]Via chiral HPLC the absolute amounts of D-, L-, and meso-tartaric acid were determined (Column used: Chirex 3126 (D)-penicillamine (ligand exchange)) (see Table 2).
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