1. Food & Drug Administration Guideline for Submitting Supporting Documentation in Drug Applications for the Manufacture of Drug Substances, 1987, p. 50.
2. Food & Drug Administration, FDA's Policy Statement for the Development of New Stereoisomeric Drugs, 57 Fed. Reg., 22249, 1992.
3. Regulatory aspects of the development of chiral drugs in Japan: a status report;Shindo;Chirality,1991
4. Resolution of racemates by diastereomeric salt formation;Bayley,1992
5. Stereoselective synthesis of anti-beta-hydroxy-alpha-amino acids through dynamic kinetic resolution;Makino;Angew. Chem. Int. Ed.,2004