1947-37-1 CCRIS 3246 Cholecystokinin tetrapeptide Gastrin tetrapeptide Gastrin tetrapeptide amide L-Phenylalaninamide, L-tryptophyl-L-methionyl-L-alpha-aspartyl- L-Phenylalaninamide, N-((phenylmethoxy)carbonyl)-L-tryptophyl-L-methionyl-L-aspartyl- L-Triptophyl-L-methyionyl-L-alpha-aspartyl-L-phenylalaninamide N-((Phenylmethoxy)carbonyl)-L-tryptophyl-L-methionyl-L-aspartyl-L-phenylalaninamide TETRAGASTRIN Tetragastrin [JAN]