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James, S.P.; Waring, R.H.; White, D.A., Separation of mercapturic acids and related compounds by gas chromatography and a method for the determination of hippuric acid, J. Chromatogr., 1967, 26, 255-258, https://doi.org/10.1016/S0021-9673(01)98863-6 . [all data]