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Identification of 5,6-dimethoxyindolyl-2-carboxylic acid in melanotic urine
Acta Dermato-Venereologica
|January 1, 1983
Abstract:
5,6-dimethoxyindolyl-2-carboxylic acid was identified in urine of patients with malignant melanoma by means of gas chromatography - mass spectrometry. Its presence supports the concept of the existence of an efficient methylating activity in melanoma tissue.