prov:value
| - No. 528,007, filed May 23, 1990, now U.S. Pat. No. 5,080,795, enantiomers of such compounds as amino acids, amino esters, alcohols, amines, sulfonic acids or derivatives thereof are separated by means of a liquid membrane containing a chiral carrier, such as the derivatized amino acid (S)-N-(1-naphthyl)leucine octadecyl ester.
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