98897-20-2 Anf (5-28) Anp (5-28) Atrial natriuretic factor (5-28) Atrial natriuretic factor 5-28, human Atrial natriuretic peptide (5-28) Atriopeptin (5-28) Atriopeptin-21 (rat), 8-L-methionine-21a-L-phenylalanine-21b-L-arginine-21c-L-tyrosine- alpha-r-Anp (5-28)