Identification of 5,6-dimethoxyindolyl-2-carboxylic acid in melanotic urine
Pavel S, Elzinga H, Muskiet FA, Wolthers BG.
DOI: 10.2340/0001555563340343
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.
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