From the Food and Drug Administration.
Nightingale
S L
SL
D000821:Animal Feed / Q000592:standards*; D000818:Animals; D001688:Biological Products / Q000592:standards*; D006633:Histamine Antagonists; D006634:Histamine H1 Antagonists / Q000009:adverse effects; D006801:Humans; D017096:Prion Diseases / Q000517:prevention & control* / Q000635:transmission; D012418:Ruminants; D016593:Terfenadine / Q000009:adverse effects / Q000031:analogs & derivatives; D014481:United States; D016885:United States Department of Agriculture; D014486:United States Food and Drug Administration
D001688:Biological Products; D006633:Histamine Antagonists; D006634:Histamine H1 Antagonists; D016593:Terfenadine; C093230:fexofenadine