Trichodesmine-D4 is a labelled analogue of Trichodesmine (T774510). Trichodesmine is a pyrrolizidine alkaloid that has neurotoxic effects and is naturally found in Crotolaria argyptiaca, a shrub plant that is native to the south eastern desert of Egypt. Trichodesmine is also known to have toxic effects on pyrrole binding and Glutathione (G597951) metabolism in the rat.