2DINGENEN J. A practical approach to chiral separatiom by liquid [ J ]. Journal of Chromatography A, 1998,26 : 18 - 32.
3Godbille E, Tondu L. USP 3966609 [ P ]. 1976.
4Godbille E,Use of an 18 mm I. D. column for analytical and semi- preparative scale high pressure liquid chromatogra- phy[J]. Journal of Chromatography A, 1976, 122:317 - 329.