Tryptophan, precursor of tropic acid in Datura stramonium.
D000470:Alkaloids; D013286:Datura stramonium / Q000737:chemistry*; D006801:Humans; D018727:Muscarinic Antagonists; D010666:Phenylpropionates; D014364:Tryptophan / Q000737:chemistry*
D000470:Alkaloids; D018727:Muscarinic Antagonists; D010666:Phenylpropionates; D014364:Tryptophan; C011377:tropic acid
STRAMONIUM/chemistry; TRYPTOPHAN/chemistry