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Roy, S.D.; Lim, H.K., Separation of optical isomers of methoxyphenamine and its metabolites as N-heptafluorobutyryl-L-prolyl derivatives by fused-silica capillary gas chromatography, J. Chromatogr., 1988, 431, 210-215, https://doi.org/10.1016/S0378-4347(00)83087-X . [all data]