Abstract
3,4-DIMETHOXYPHENYLETHYLAMINE (DMPE) has been claimed to be present in the urines of many schizophrenic patients1–5. DMPE gives a pink spot on paper chromatograms developed first with ninhydrin and then treated with Ehrlich reagent (p-dimethylaminobenzaldehyde)6. Others have assumed that pink spots found on chromatograms of the urines of schizophrenics are DMPE7–10.
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PERRY, T., HANSEN, S. & MACDOUGALL, L. Identity and Significance of Some Pink Spots in Schizophrenia and Other Conditions. Nature 214, 484–485 (1967). https://doi.org/10.1038/214484a0
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DOI: https://doi.org/10.1038/214484a0
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