title: Retrorsin from a Paraguayan herbal tea.
mesh_terms: D005374:Filtration; D006863:Hydrogen-Ion Concentration; D019684:Magnoliopsida / Q000032:analysis*; D010239:Paraguay; D011763:Pyrrolizidine Alkaloids / Q000032:analysis*; D013662:Tea / Q000032:analysis
chemical_list: D011763:Pyrrolizidine Alkaloids; D013662:Tea; C003300:retrorsine