107814-71-1 112160-83-5 L-Arginine, L-seryl-L-seryl-L-alpha-aspartyl-L-arginyl-L-seryl-L-alanyl-L-leucyl-L-leucyl-L-lysyl-L-seryl-L-lysyl-L-leucyl-L-arginyl-L-alanyl-L-leucyl-L-leucyl-L-threonyl-L-alanyl-L-prolyl- L-Seryl-L-seryl-L-alpha-aspartyl-L-arginyl-L-seryl-L-alanyl-L-leucyl-L-leucyl-L-lysyl-L-seryl-L-lysyl-L-leucyl-L-arginyl-L-alanyl-L-leucyl-L-leucyl-L-threonyl-L-alanyl-L-prolyl-L-arginine Prepro-anf (104-123) Preproatrial natriuretic factor (104-123)