Review Article

Liquid Chromatographic Investigation of Spontaneous Oscillatory In Vitro Chiral Conversion and Spontaneous Oscillatory Condensation of Simple Carboxylic Acids in Aqueous and Nonaqueous Media

Figure 9

Mass spectra of the (a) freshly prepared and (b) stored for one year S-mandelic acid sample in the positive MS-ESI ionization mode [9].
957508.fig.009a
(a)
957508.fig.009b
(b)